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* [gcc(refs/users/meissner/heads/work162)] Add -mcpu=power11 support.
@ 2024-03-08  6:51 Michael Meissner
  0 siblings, 0 replies; 5+ messages in thread
From: Michael Meissner @ 2024-03-08  6:51 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:cc5432bc4c113635ea5f1289565becafa9f548e3

commit cc5432bc4c113635ea5f1289565becafa9f548e3
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Fri Mar 8 01:50:56 2024 -0500

    Add -mcpu=power11 support.
    
    2024-03-08  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            * config.gcc (rs6000*-*-*, powerpc*-*-*): Add support for power11.
            * config/rs6000/aix71.h (ASM_CPU_SPEC): Add support for -mcpu=power11.
            * config/rs6000/aix72.h (ASM_CPU_SPEC): Likewise.
            * config/rs6000/aix73.h (ASM_CPU_SPEC): Likewise.
            * config/rs6000/driver-rs6000.cc (asm_names): Likewise.
            * config/rs6000/power10.md (all reservations): Add power11 as an
            alterntive to power10.
            * config/rs6000/ppc-auxv.h (PPC_PLATFORM_POWER11): New define.
            * config/rs6000/rs6000-builtin.cc (cpu_is_info): Add power11.
            * config/rs6000/rs6000-c.cc (rs6000_target_modify_macros): Define
            _ARCH_PWR11 if -mcpu=power11.
            * config/rs6000/rs6000-cpus.def (ISA_POWER11_MASKS_SERVER): New define.
            (POWERPC_MASKS): Add power11 isa bit.
            (power11 cpu): Add power11 definition.
            * rs6000-opts.h (PROCESSOR_POWER11): Add power11 processor.
            * config/rs6000/rs6000-tables.opt: Regenerate.
            * config/rs6000/rs6000.cc (power11_cost): Add power11 support.
            (rs6000_option_override_internal): Likewise.
            (rs6000_machine_from_flags): Likewise.
            (rs6000_reassociation_width): Likewise.
            (rs6000_adjust_cost): Likewise.
            (rs6000_issue_rate): Likewise.
            (rs6000_sched_reorder): Likewise.
            (rs6000_sched_reorder2): Likewise.
            (rs6000_register_move_cost): Likewise.
            (rs6000_opt_masks): Likewise.
            * config/rs6000/rs6000.h (ASM_CPU_SPEC): Likewise.
            * config/rs6000/rs6000.md (cpu attribute): Add power11.
            * config/rs6000/rs6000.opt (-mpower11): Add internal power11 ISA flag.
            * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mcpu=power11.
    
    gcc/testsuite/
    
            * gcc.target/powerpc/power11-1.c: New test.
            * gcc.target/powerpc/power11-2.c: Likewise.
            * gcc.target/powerpc/power11-3.c: Likewise.
            * lib/target-supports.exp (check_effective_target_power11_ok): Add new
            effective target.

Diff:
---
 gcc/config.gcc                               |   5 +-
 gcc/config/rs6000/aix71.h                    |   1 +
 gcc/config/rs6000/aix72.h                    |   1 +
 gcc/config/rs6000/aix73.h                    |   1 +
 gcc/config/rs6000/driver-rs6000.cc           |   2 +
 gcc/config/rs6000/power10.md                 | 142 +++++++++++++--------------
 gcc/config/rs6000/ppc-auxv.h                 |   3 +-
 gcc/config/rs6000/rs6000-builtin.cc          |   1 +
 gcc/config/rs6000/rs6000-c.cc                |   2 +
 gcc/config/rs6000/rs6000-cpus.def            |   5 +
 gcc/config/rs6000/rs6000-opts.h              |   3 +-
 gcc/config/rs6000/rs6000-string.cc           |   1 +
 gcc/config/rs6000/rs6000-tables.opt          |   3 +
 gcc/config/rs6000/rs6000.cc                  |  50 ++++++++--
 gcc/config/rs6000/rs6000.h                   |   1 +
 gcc/config/rs6000/rs6000.md                  |   2 +-
 gcc/config/rs6000/rs6000.opt                 |   3 +
 gcc/doc/invoke.texi                          |   5 +-
 gcc/testsuite/gcc.target/powerpc/power11-1.c |  13 +++
 gcc/testsuite/gcc.target/powerpc/power11-2.c |  20 ++++
 gcc/testsuite/gcc.target/powerpc/power11-3.c |  10 ++
 gcc/testsuite/lib/target-supports.exp        |  17 ++++
 22 files changed, 206 insertions(+), 85 deletions(-)

diff --git a/gcc/config.gcc b/gcc/config.gcc
index 624e0dae191..02004bee30b 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -531,7 +531,8 @@ powerpc*-*-*)
 	extra_headers="${extra_headers} ppu_intrinsics.h spu2vmx.h vec_types.h si2vmx.h"
 	extra_headers="${extra_headers} amo.h"
 	case x$with_cpu in
-	    xpowerpc64|xdefault64|x6[23]0|x970|xG5|xpower[3456789]|xpower10|xpower6x|xrs64a|xcell|xa2|xe500mc64|xe5500|xe6500)
+	    xpowerpc64 | xdefault64 | x6[23]0 | x970 | xG5 | xpower[3456789] \
+	    | xpower1[01]|xpower6x|xrs64a|xcell|xa2|xe500mc64|xe5500|xe6500)
 		cpu_is_64bit=yes
 		;;
 	esac
@@ -5558,7 +5559,7 @@ case "${target}" in
 				eval "with_$which=405"
 				;;
 			"" | common | native \
-			| power[3456789] | power10 | power5+ | power6x \
+			| power[3456789] | power1[01] | power5+ | power6x \
 			| powerpc | powerpc64 | powerpc64le \
 			| rs64 \
 			| 401 | 403 | 405 | 405fp | 440 | 440fp | 464 | 464fp \
diff --git a/gcc/config/rs6000/aix71.h b/gcc/config/rs6000/aix71.h
index 24bc301e37d..41037b3852d 100644
--- a/gcc/config/rs6000/aix71.h
+++ b/gcc/config/rs6000/aix71.h
@@ -79,6 +79,7 @@ do {									\
 #undef ASM_CPU_SPEC
 #define ASM_CPU_SPEC \
 "%{mcpu=native: %(asm_cpu_native); \
+  mcpu=power11: -mpwr11; \
   mcpu=power10: -mpwr10; \
   mcpu=power9: -mpwr9; \
   mcpu=power8: -mpwr8; \
diff --git a/gcc/config/rs6000/aix72.h b/gcc/config/rs6000/aix72.h
index c43974f577a..fe59f8319b4 100644
--- a/gcc/config/rs6000/aix72.h
+++ b/gcc/config/rs6000/aix72.h
@@ -79,6 +79,7 @@ do {									\
 #undef ASM_CPU_SPEC
 #define ASM_CPU_SPEC \
 "%{mcpu=native: %(asm_cpu_native); \
+  mcpu=power11: -mpwr11; \
   mcpu=power10: -mpwr10; \
   mcpu=power9: -mpwr9; \
   mcpu=power8: -mpwr8; \
diff --git a/gcc/config/rs6000/aix73.h b/gcc/config/rs6000/aix73.h
index b1572bde81f..1318b0b3662 100644
--- a/gcc/config/rs6000/aix73.h
+++ b/gcc/config/rs6000/aix73.h
@@ -79,6 +79,7 @@ do {									\
 #undef ASM_CPU_SPEC
 #define ASM_CPU_SPEC \
 "%{mcpu=native: %(asm_cpu_native); \
+  mcpu=power11: -mpwr11; \
   mcpu=power10: -mpwr10; \
   mcpu=power9: -mpwr9; \
   mcpu=power8: -mpwr8; \
diff --git a/gcc/config/rs6000/driver-rs6000.cc b/gcc/config/rs6000/driver-rs6000.cc
index 3ebbaa42622..f4900724b98 100644
--- a/gcc/config/rs6000/driver-rs6000.cc
+++ b/gcc/config/rs6000/driver-rs6000.cc
@@ -451,6 +451,7 @@ static const struct asm_name asm_names[] = {
   { "power8",	"-mpwr8" },
   { "power9",	"-mpwr9" },
   { "power10",	"-mpwr10" },
+  { "power11",	"-mpwr11" },
   { "powerpc",	"-mppc" },
   { "rs64",	"-mppc" },
   { "603",	"-m603" },
@@ -479,6 +480,7 @@ static const struct asm_name asm_names[] = {
   { "power8",	"-mpower8" },
   { "power9",	"-mpower9" },
   { "power10",	"-mpower10" },
+  { "power11",	"-mpower11" },
   { "a2",	"-ma2" },
   { "powerpc",	"-mppc" },
   { "powerpc64", "-mppc64" },
diff --git a/gcc/config/rs6000/power10.md b/gcc/config/rs6000/power10.md
index fcc2199ab29..22851db3318 100644
--- a/gcc/config/rs6000/power10.md
+++ b/gcc/config/rs6000/power10.md
@@ -97,12 +97,12 @@
        (eq_attr "update" "no")
        (eq_attr "size" "!128")
        (eq_attr "prefixed" "no")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,LU_power10")
 
 (define_insn_reservation "power10-fused-load" 4
   (and (eq_attr "type" "fused_load_cmpi,fused_addis_load,fused_load_load")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,LU_power10")
 
 (define_insn_reservation "power10-prefixed-load" 4
@@ -110,13 +110,13 @@
        (eq_attr "update" "no")
        (eq_attr "size" "!128")
        (eq_attr "prefixed" "yes")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,LU_power10")
 
 (define_insn_reservation "power10-load-update" 4
   (and (eq_attr "type" "load")
        (eq_attr "update" "yes")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,LU_power10+SXU_power10")
 
 (define_insn_reservation "power10-fpload-double" 4
@@ -124,7 +124,7 @@
        (eq_attr "update" "no")
        (eq_attr "size" "64")
        (eq_attr "prefixed" "no")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,LU_power10")
 
 (define_insn_reservation "power10-prefixed-fpload-double" 4
@@ -132,14 +132,14 @@
        (eq_attr "update" "no")
        (eq_attr "size" "64")
        (eq_attr "prefixed" "yes")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,LU_power10")
 
 (define_insn_reservation "power10-fpload-update-double" 4
   (and (eq_attr "type" "fpload")
        (eq_attr "update" "yes")
        (eq_attr "size" "64")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,LU_power10+SXU_power10")
 
 ; SFmode loads are cracked and have additional 3 cycles over DFmode
@@ -148,27 +148,27 @@
   (and (eq_attr "type" "fpload")
        (eq_attr "update" "no")
        (eq_attr "size" "32")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,LU_power10")
 
 (define_insn_reservation "power10-fpload-update-single" 7
   (and (eq_attr "type" "fpload")
        (eq_attr "update" "yes")
        (eq_attr "size" "32")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,LU_power10+SXU_power10")
 
 (define_insn_reservation "power10-vecload" 4
   (and (eq_attr "type" "vecload")
        (eq_attr "size" "!256")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,LU_power10")
 
 ; lxvp
 (define_insn_reservation "power10-vecload-pair" 4
   (and (eq_attr "type" "vecload")
        (eq_attr "size" "256")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,LU_power10+SXU_power10")
 
 ; Store Unit
@@ -178,12 +178,12 @@
        (eq_attr "prefixed" "no")
        (eq_attr "size" "!128")
        (eq_attr "size" "!256")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,STU_power10")
 
 (define_insn_reservation "power10-fused-store" 0
   (and (eq_attr "type" "fused_store_store")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,STU_power10")
 
 (define_insn_reservation "power10-prefixed-store" 0
@@ -191,52 +191,52 @@
        (eq_attr "prefixed" "yes")
        (eq_attr "size" "!128")
        (eq_attr "size" "!256")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,STU_power10")
 
 ; Update forms have 2 cycle latency for updated addr reg
 (define_insn_reservation "power10-store-update" 2
   (and (eq_attr "type" "store,fpstore")
        (eq_attr "update" "yes")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,STU_power10")
 
 ; stxvp
 (define_insn_reservation "power10-vecstore-pair" 0
   (and (eq_attr "type" "vecstore")
        (eq_attr "size" "256")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,stu0_power10+stu1_power10")
 
 (define_insn_reservation "power10-larx" 4
   (and (eq_attr "type" "load_l")
        (eq_attr "size" "!128")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,LU_power10")
 
 ; All load quad forms
 (define_insn_reservation "power10-lq" 4
   (and (eq_attr "type" "load,load_l")
        (eq_attr "size" "128")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,LU_power10+SXU_power10")
 
 (define_insn_reservation "power10-stcx" 0
   (and (eq_attr "type" "store_c")
        (eq_attr "size" "!128")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,STU_power10")
 
 ; All store quad forms
 (define_insn_reservation "power10-stq" 0
   (and (eq_attr "type" "store,store_c")
        (eq_attr "size" "128")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,stu0_power10+stu1_power10")
 
 (define_insn_reservation "power10-sync" 1
   (and (eq_attr "type" "sync,isync")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,STU_power10")
 
 
@@ -248,7 +248,7 @@
 (define_insn_reservation "power10-alu" 2
   (and (eq_attr "type" "add,exts,integer,logical,isel")
        (eq_attr "prefixed" "no")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 ; 4 cycle CR latency
 (define_bypass 4 "power10-alu"
@@ -256,28 +256,28 @@
 
 (define_insn_reservation "power10-fused_alu" 2
   (and (eq_attr "type" "fused_arith_logical,fused_cmp_isel,fused_carry")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,EXU_power10")
 
 ; paddi
 (define_insn_reservation "power10-paddi" 2
   (and (eq_attr "type" "add")
        (eq_attr "prefixed" "yes")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,EXU_power10")
 
 ; Rotate/shift (non-record form)
 (define_insn_reservation "power10-rot" 2
   (and (eq_attr "type" "insert,shift")
        (eq_attr "dot" "no")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 ; Record form rotate/shift
 (define_insn_reservation "power10-rot-compare" 3
   (and (eq_attr "type" "insert,shift")
        (eq_attr "dot" "yes")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 ; 5 cycle CR latency
 (define_bypass 5 "power10-rot-compare"
@@ -285,7 +285,7 @@
 
 (define_insn_reservation "power10-alu2" 3
   (and (eq_attr "type" "cntlz,popcnt,trap")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 ; 5 cycle CR latency
 (define_bypass 5 "power10-alu2"
@@ -293,24 +293,24 @@
 
 (define_insn_reservation "power10-cmp" 2
   (and (eq_attr "type" "cmp")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 ; Treat 'two' and 'three' types as 2 or 3 way cracked
 (define_insn_reservation "power10-two" 4
   (and (eq_attr "type" "two")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,EXU_power10")
 
 (define_insn_reservation "power10-three" 6
   (and (eq_attr "type" "three")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_all_power10,EXU_power10")
 
 (define_insn_reservation "power10-mul" 5
   (and (eq_attr "type" "mul")
        (eq_attr "dot" "no")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 ; 4 cycle MUL->MUL latency
 (define_bypass 4 "power10-mul"
@@ -319,7 +319,7 @@
 (define_insn_reservation "power10-mul-compare" 5
   (and (eq_attr "type" "mul")
        (eq_attr "dot" "yes")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,EXU_power10")
 ; 4 cycle MUL->MUL latency
 (define_bypass 4 "power10-mul-compare"
@@ -331,13 +331,13 @@
 (define_insn_reservation "power10-div" 12
   (and (eq_attr "type" "div")
        (eq_attr "dot" "no")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-div-compare" 12
   (and (eq_attr "type" "div")
        (eq_attr "dot" "yes")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,EXU_power10")
 ; 14 cycle CR latency
 (define_bypass 14 "power10-div-compare"
@@ -345,34 +345,34 @@
 
 (define_insn_reservation "power10-crlogical" 2
   (and (eq_attr "type" "cr_logical")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-mfcrf" 2
   (and (eq_attr "type" "mfcrf")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-mfcr" 3
   (and (eq_attr "type" "mfcr")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,EXU_power10")
 
 ; Should differentiate between 1 cr field and > 1 since target of > 1 cr
 ; is cracked
 (define_insn_reservation "power10-mtcr" 3
   (and (eq_attr "type" "mtcr")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-mtjmpr" 3
   (and (eq_attr "type" "mtjmpr")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-mfjmpr" 2
   (and (eq_attr "type" "mfjmpr")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 
@@ -380,126 +380,126 @@
 
 (define_insn_reservation "power10-fpsimple" 3
   (and (eq_attr "type" "fpsimple")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-fp" 5
   (and (eq_attr "type" "fp,dmul")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-fpcompare" 3
   (and (eq_attr "type" "fpcompare")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-sdiv" 22
   (and (eq_attr "type" "sdiv")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-ddiv" 27
   (and (eq_attr "type" "ddiv")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-sqrt" 26
   (and (eq_attr "type" "ssqrt")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-dsqrt" 36
   (and (eq_attr "type" "dsqrt")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-vec-2cyc" 2
   (and (eq_attr "type" "vecmove,veclogical,vecexts,veccmpfx")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-fused-vec" 2
   (and (eq_attr "type" "fused_vector")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,EXU_power10")
 
 (define_insn_reservation "power10-veccmp" 3
   (and (eq_attr "type" "veccmp")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-vecsimple" 2
   (and (eq_attr "type" "vecsimple")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-vecnormal" 5
   (and (eq_attr "type" "vecfloat,vecdouble")
        (eq_attr "size" "!128")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-qp" 12
   (and (eq_attr "type" "vecfloat,vecdouble")
        (eq_attr "size" "128")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-vecperm" 3
   (and (eq_attr "type" "vecperm")
        (eq_attr "prefixed" "no")
        (eq_attr "dot" "no")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-vecperm-compare" 3
   (and (eq_attr "type" "vecperm")
        (eq_attr "dot" "yes")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,EXU_power10")
 
 (define_insn_reservation "power10-prefixed-vecperm" 3
   (and (eq_attr "type" "vecperm")
        (eq_attr "prefixed" "yes")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,EXU_power10")
 
 (define_insn_reservation "power10-veccomplex" 6
   (and (eq_attr "type" "veccomplex")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-vecfdiv" 24
   (and (eq_attr "type" "vecfdiv")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-vecdiv" 27
   (and (eq_attr "type" "vecdiv")
        (eq_attr "size" "!128")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-qpdiv" 56
   (and (eq_attr "type" "vecdiv")
        (eq_attr "size" "128")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-qpmul" 24
   (and (eq_attr "type" "qmul")
        (eq_attr "size" "128")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-mtvsr" 2
   (and (eq_attr "type" "mtvsr")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-mfvsr" 2
   (and (eq_attr "type" "mfvsr")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 
@@ -507,26 +507,26 @@
 ; Branch is 2 cycles, grouped with STU for issue
 (define_insn_reservation "power10-branch" 2
   (and (eq_attr "type" "jmpreg,branch")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,STU_power10")
 
 (define_insn_reservation "power10-fused-branch" 3
   (and (eq_attr "type" "fused_mtbc")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,STU_power10")
 
 
 ; Crypto
 (define_insn_reservation "power10-crypto" 4
   (and (eq_attr "type" "crypto")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 
 ; HTM
 (define_insn_reservation "power10-htm" 2
   (and (eq_attr "type" "htmsimple,htm")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 
@@ -535,26 +535,26 @@
 (define_insn_reservation "power10-dfp" 12
   (and (eq_attr "type" "dfp")
        (eq_attr "size" "!128")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-dfpq" 12
   (and (eq_attr "type" "dfp")
        (eq_attr "size" "128")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,EXU_power10")
 
 ; MMA
 (define_insn_reservation "power10-mma" 9
   (and (eq_attr "type" "mma")
        (eq_attr "prefixed" "no")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_super_power10")
 
 (define_insn_reservation "power10-prefixed-mma" 9
   (and (eq_attr "type" "mma")
        (eq_attr "prefixed" "yes")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,EXU_super_power10")
 ; 4 cycle MMA->MMA latency
 (define_bypass 4 "power10-mma,power10-prefixed-mma"
diff --git a/gcc/config/rs6000/ppc-auxv.h b/gcc/config/rs6000/ppc-auxv.h
index 364bba427d1..ed269e3b72b 100644
--- a/gcc/config/rs6000/ppc-auxv.h
+++ b/gcc/config/rs6000/ppc-auxv.h
@@ -47,9 +47,8 @@
 #define PPC_PLATFORM_PPC476            12
 #define PPC_PLATFORM_POWER8            13
 #define PPC_PLATFORM_POWER9            14
-
-/* This is not yet official.  */
 #define PPC_PLATFORM_POWER10           15
+#define PPC_PLATFORM_POWER11           16
 
 /* AT_HWCAP bits.  These must match the values defined in the Linux kernel.  */
 #define PPC_FEATURE_32              0x80000000
diff --git a/gcc/config/rs6000/rs6000-builtin.cc b/gcc/config/rs6000/rs6000-builtin.cc
index 6698274031b..f3ba1eccdbd 100644
--- a/gcc/config/rs6000/rs6000-builtin.cc
+++ b/gcc/config/rs6000/rs6000-builtin.cc
@@ -2493,6 +2493,7 @@ static const struct
   const char *cpu;
   unsigned int cpuid;
 } cpu_is_info[] = {
+  { "power11",	   PPC_PLATFORM_POWER11 },
   { "power10",	   PPC_PLATFORM_POWER10 },
   { "power9",	   PPC_PLATFORM_POWER9 },
   { "power8",	   PPC_PLATFORM_POWER8 },
diff --git a/gcc/config/rs6000/rs6000-c.cc b/gcc/config/rs6000/rs6000-c.cc
index ce0b14a8d37..ebed8b9554a 100644
--- a/gcc/config/rs6000/rs6000-c.cc
+++ b/gcc/config/rs6000/rs6000-c.cc
@@ -447,6 +447,8 @@ rs6000_target_modify_macros (bool define_p, HOST_WIDE_INT flags)
     rs6000_define_or_undefine_macro (define_p, "_ARCH_PWR9");
   if ((flags & OPTION_MASK_POWER10) != 0)
     rs6000_define_or_undefine_macro (define_p, "_ARCH_PWR10");
+  if ((flags & OPTION_MASK_POWER11) != 0)
+    rs6000_define_or_undefine_macro (define_p, "_ARCH_PWR11");
   if ((flags & OPTION_MASK_SOFT_FLOAT) != 0)
     rs6000_define_or_undefine_macro (define_p, "_SOFT_FLOAT");
   if ((flags & OPTION_MASK_RECIP_PRECISION) != 0)
diff --git a/gcc/config/rs6000/rs6000-cpus.def b/gcc/config/rs6000/rs6000-cpus.def
index 28249600318..3237a5ada30 100644
--- a/gcc/config/rs6000/rs6000-cpus.def
+++ b/gcc/config/rs6000/rs6000-cpus.def
@@ -86,6 +86,9 @@
 				 | OPTION_MASK_POWER10			\
 				 | OTHER_POWER10_MASKS)
 
+#define ISA_POWER11_MASKS_SERVER (ISA_3_1_MASKS_SERVER			\
+				  | OPTION_MASK_POWER11)
+
 /* Flags that need to be turned off if -mno-vsx.  */
 #define OTHER_VSX_VECTOR_MASKS	(OPTION_MASK_EFFICIENT_UNALIGNED_VSX	\
 				 | OPTION_MASK_FLOAT128_KEYWORD		\
@@ -125,6 +128,7 @@
 				 | OPTION_MASK_FLOAT128_KEYWORD		\
 				 | OPTION_MASK_FPRND			\
 				 | OPTION_MASK_POWER10			\
+				 | OPTION_MASK_POWER11			\
 				 | OPTION_MASK_P10_FUSION		\
 				 | OPTION_MASK_HTM			\
 				 | OPTION_MASK_ISEL			\
@@ -257,3 +261,4 @@ RS6000_CPU ("powerpc64", PROCESSOR_POWERPC64, OPTION_MASK_PPC_GFXOPT
 RS6000_CPU ("powerpc64le", PROCESSOR_POWER8, MASK_POWERPC64
 	    | ISA_2_7_MASKS_SERVER | OPTION_MASK_HTM)
 RS6000_CPU ("rs64", PROCESSOR_RS64A, OPTION_MASK_PPC_GFXOPT | MASK_POWERPC64)
+RS6000_CPU ("power11", PROCESSOR_POWER11, MASK_POWERPC64 | ISA_POWER11_MASKS_SERVER)
diff --git a/gcc/config/rs6000/rs6000-opts.h b/gcc/config/rs6000/rs6000-opts.h
index 33fd0efc936..4f5af57ae1a 100644
--- a/gcc/config/rs6000/rs6000-opts.h
+++ b/gcc/config/rs6000/rs6000-opts.h
@@ -67,7 +67,8 @@ enum processor_type
    PROCESSOR_MPCCORE,
    PROCESSOR_CELL,
    PROCESSOR_PPCA2,
-   PROCESSOR_TITAN
+   PROCESSOR_TITAN,
+   PROCESSOR_POWER11
 };
 
 
diff --git a/gcc/config/rs6000/rs6000-string.cc b/gcc/config/rs6000/rs6000-string.cc
index 917f5572a6d..9c8a81172e3 100644
--- a/gcc/config/rs6000/rs6000-string.cc
+++ b/gcc/config/rs6000/rs6000-string.cc
@@ -964,6 +964,7 @@ expand_compare_loop (rtx operands[])
       break;
     case PROCESSOR_POWER9:
     case PROCESSOR_POWER10:
+    case PROCESSOR_POWER11:
       if (bytes_is_const)
 	max_bytes = 191;
       else
diff --git a/gcc/config/rs6000/rs6000-tables.opt b/gcc/config/rs6000/rs6000-tables.opt
index 65f46709716..7e5bb6e7658 100644
--- a/gcc/config/rs6000/rs6000-tables.opt
+++ b/gcc/config/rs6000/rs6000-tables.opt
@@ -197,3 +197,6 @@ Enum(rs6000_cpu_opt_value) String(powerpc64le) Value(55)
 EnumValue
 Enum(rs6000_cpu_opt_value) String(rs64) Value(56)
 
+EnumValue
+Enum(rs6000_cpu_opt_value) String(power11) Value(57)
+
diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc
index 6ba9df4f02e..5380dce7a07 100644
--- a/gcc/config/rs6000/rs6000.cc
+++ b/gcc/config/rs6000/rs6000.cc
@@ -1087,6 +1087,26 @@ struct processor_costs power10_cost = {
   COSTS_N_INSNS (2),	/* SF->DF convert */
 };
 
+/* Instruction costs on POWER11 processors.  */
+static const
+struct processor_costs power11_cost = {
+  COSTS_N_INSNS (2),	/* mulsi */
+  COSTS_N_INSNS (2),	/* mulsi_const */
+  COSTS_N_INSNS (2),	/* mulsi_const9 */
+  COSTS_N_INSNS (2),	/* muldi */
+  COSTS_N_INSNS (6),	/* divsi */
+  COSTS_N_INSNS (6),	/* divdi */
+  COSTS_N_INSNS (2),	/* fp */
+  COSTS_N_INSNS (2),	/* dmul */
+  COSTS_N_INSNS (11),	/* sdiv */
+  COSTS_N_INSNS (13),	/* ddiv */
+  128,			/* cache line size */
+  32,			/* l1 cache */
+  512,			/* l2 cache */
+  16,			/* prefetch streams */
+  COSTS_N_INSNS (2),	/* SF->DF convert */
+};
+
 /* Instruction costs on POWER A2 processors.  */
 static const
 struct processor_costs ppca2_cost = {
@@ -4379,7 +4399,8 @@ rs6000_option_override_internal (bool global_init_p)
      generating power10 instructions.  */
   if (!(rs6000_isa_flags_explicit & OPTION_MASK_P10_FUSION))
     {
-      if (rs6000_tune == PROCESSOR_POWER10)
+      if (rs6000_tune == PROCESSOR_POWER10
+	  || rs6000_tune == PROCESSOR_POWER11)
 	rs6000_isa_flags |= OPTION_MASK_P10_FUSION;
       else
 	rs6000_isa_flags &= ~OPTION_MASK_P10_FUSION;
@@ -4408,6 +4429,7 @@ rs6000_option_override_internal (bool global_init_p)
 			&& rs6000_tune != PROCESSOR_POWER8
 			&& rs6000_tune != PROCESSOR_POWER9
 			&& rs6000_tune != PROCESSOR_POWER10
+			&& rs6000_tune != PROCESSOR_POWER11
 			&& rs6000_tune != PROCESSOR_PPCA2
 			&& rs6000_tune != PROCESSOR_CELL
 			&& rs6000_tune != PROCESSOR_PPC476);
@@ -4422,6 +4444,7 @@ rs6000_option_override_internal (bool global_init_p)
 				 || rs6000_tune == PROCESSOR_POWER8
 				 || rs6000_tune == PROCESSOR_POWER9
 				 || rs6000_tune == PROCESSOR_POWER10
+				 || rs6000_tune == PROCESSOR_POWER11
 				 || rs6000_tune == PROCESSOR_PPCE500MC
 				 || rs6000_tune == PROCESSOR_PPCE500MC64
 				 || rs6000_tune == PROCESSOR_PPCE5500
@@ -4724,6 +4747,10 @@ rs6000_option_override_internal (bool global_init_p)
 	rs6000_cost = &power10_cost;
 	break;
 
+      case PROCESSOR_POWER11:
+	rs6000_cost = &power11_cost;
+	break;
+
       case PROCESSOR_PPCA2:
 	rs6000_cost = &ppca2_cost;
 	break;
@@ -5880,6 +5907,8 @@ rs6000_machine_from_flags (void)
   /* Disable the flags that should never influence the .machine selection.  */
   flags &= ~(OPTION_MASK_PPC_GFXOPT | OPTION_MASK_PPC_GPOPT | OPTION_MASK_ISEL);
 
+  if ((flags & (ISA_POWER11_MASKS_SERVER & ~ISA_3_1_MASKS_SERVER)) != 0)
+    return "power11";
   if ((flags & (ISA_3_1_MASKS_SERVER & ~ISA_3_0_MASKS_SERVER)) != 0)
     return "power10";
   if ((flags & (ISA_3_0_MASKS_SERVER & ~ISA_2_7_MASKS_SERVER)) != 0)
@@ -10126,6 +10155,7 @@ rs6000_reassociation_width (unsigned int opc ATTRIBUTE_UNUSED,
     case PROCESSOR_POWER8:
     case PROCESSOR_POWER9:
     case PROCESSOR_POWER10:
+    case PROCESSOR_POWER11:
       if (DECIMAL_FLOAT_MODE_P (mode))
 	return 1;
       if (VECTOR_MODE_P (mode))
@@ -18207,7 +18237,8 @@ rs6000_adjust_cost (rtx_insn *insn, int dep_type, rtx_insn *dep_insn, int cost,
 
 	/* Separate a load from a narrower, dependent store.  */
 	if ((rs6000_sched_groups || rs6000_tune == PROCESSOR_POWER9
-	     || rs6000_tune == PROCESSOR_POWER10)
+	     || rs6000_tune == PROCESSOR_POWER10
+	     || rs6000_tune == PROCESSOR_POWER11)
 	    && GET_CODE (PATTERN (insn)) == SET
 	    && GET_CODE (PATTERN (dep_insn)) == SET
 	    && MEM_P (XEXP (PATTERN (insn), 1))
@@ -18246,6 +18277,7 @@ rs6000_adjust_cost (rtx_insn *insn, int dep_type, rtx_insn *dep_insn, int cost,
 		 || rs6000_tune == PROCESSOR_POWER8
 		 || rs6000_tune == PROCESSOR_POWER9
 		 || rs6000_tune == PROCESSOR_POWER10
+		 || rs6000_tune == PROCESSOR_POWER11
                  || rs6000_tune == PROCESSOR_CELL)
                 && recog_memoized (dep_insn)
                 && (INSN_CODE (dep_insn) >= 0))
@@ -18820,6 +18852,7 @@ rs6000_issue_rate (void)
   case PROCESSOR_POWER9:
     return 6;
   case PROCESSOR_POWER10:
+  case PROCESSOR_POWER11:
     return 8;
   default:
     return 1;
@@ -19536,7 +19569,9 @@ rs6000_sched_reorder (FILE *dump ATTRIBUTE_UNUSED, int sched_verbose,
     load_store_pendulum = 0;
 
   /* Do Power10 dependent reordering.  */
-  if (rs6000_tune == PROCESSOR_POWER10 && last_scheduled_insn)
+  if (last_scheduled_insn
+      && (rs6000_tune == PROCESSOR_POWER10
+	  || rs6000_tune == PROCESSOR_POWER11))
     power10_sched_reorder (ready, n_ready - 1);
 
   return rs6000_issue_rate ();
@@ -19560,8 +19595,9 @@ rs6000_sched_reorder2 (FILE *dump, int sched_verbose, rtx_insn **ready,
       && recog_memoized (last_scheduled_insn) >= 0)
     return power9_sched_reorder2 (ready, *pn_ready - 1);
 
-  /* Do Power10 dependent reordering.  */
-  if (rs6000_tune == PROCESSOR_POWER10 && last_scheduled_insn)
+  if (last_scheduled_insn
+      && (rs6000_tune == PROCESSOR_POWER10
+	  || rs6000_tune == PROCESSOR_POWER11))
     return power10_sched_reorder (ready, *pn_ready - 1);
 
   return cached_can_issue_more;
@@ -22778,7 +22814,8 @@ rs6000_register_move_cost (machine_mode mode,
 		 allocation a move within the same class might turn
 		 out to be a nop.  */
 	      if (rs6000_tune == PROCESSOR_POWER9
-		  || rs6000_tune == PROCESSOR_POWER10)
+		  || rs6000_tune == PROCESSOR_POWER10
+		  || rs6000_tune == PROCESSOR_POWER11)
 		ret = 3 * hard_regno_nregs (FIRST_GPR_REGNO, mode);
 	      else
 		ret = 4 * hard_regno_nregs (FIRST_GPR_REGNO, mode);
@@ -24437,6 +24474,7 @@ static struct rs6000_opt_mask const rs6000_opt_masks[] =
   { "float128-hardware",	OPTION_MASK_FLOAT128_HW,	false, true  },
   { "fprnd",			OPTION_MASK_FPRND,		false, true  },
   { "power10",			OPTION_MASK_POWER10,		false, true  },
+  { "power11",			OPTION_MASK_POWER11,		false, true  },
   { "hard-dfp",			OPTION_MASK_DFP,		false, true  },
   { "htm",			OPTION_MASK_HTM,		false, true  },
   { "isel",			OPTION_MASK_ISEL,		false, true  },
diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h
index 68bc45d65ba..81e2f0a33ef 100644
--- a/gcc/config/rs6000/rs6000.h
+++ b/gcc/config/rs6000/rs6000.h
@@ -107,6 +107,7 @@
 #define ASM_CPU_SPEC \
 "%{mcpu=native: %(asm_cpu_native); \
   mcpu=power10: -mpower10; \
+  mcpu=power11: -mpower11; \
   mcpu=power9: -mpower9; \
   mcpu=power8|mcpu=powerpc64le: -mpower8; \
   mcpu=power7: -mpower7; \
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index bc8bc6ab060..ea4add5b283 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -351,7 +351,7 @@
    ppc403,ppc405,ppc440,ppc476,
    ppc8540,ppc8548,ppce300c2,ppce300c3,ppce500mc,ppce500mc64,ppce5500,ppce6500,
    power4,power5,power6,power7,power8,power9,power10,
-   rs64a,mpccore,cell,ppca2,titan"
+   rs64a,mpccore,cell,ppca2,titan,power11"
   (const (symbol_ref "(enum attr_cpu) rs6000_tune")))
 
 ;; The ISA we implement.
diff --git a/gcc/config/rs6000/rs6000.opt b/gcc/config/rs6000/rs6000.opt
index 83197681b66..e7a4e4a2ddd 100644
--- a/gcc/config/rs6000/rs6000.opt
+++ b/gcc/config/rs6000/rs6000.opt
@@ -581,6 +581,9 @@ Target Undocumented Var(rs6000_speculate_indirect_jumps) Init(1) Save
 mpower10
 Target Undocumented Mask(POWER10) Var(rs6000_isa_flags) WarnRemoved
 
+mpower11
+Target Undocumented Mask(POWER11) Var(rs6000_isa_flags) Warn(Do not use %<-mpower11>)
+
 mprefixed
 Target Mask(PREFIXED) Var(rs6000_isa_flags)
 Generate (do not generate) prefixed memory instructions.
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 2390d478121..162e63cd149 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -31153,8 +31153,9 @@ Supported values for @var{cpu_type} are @samp{401}, @samp{403},
 @samp{e6500}, @samp{ec603e}, @samp{G3}, @samp{G4}, @samp{G5},
 @samp{titan}, @samp{power3}, @samp{power4}, @samp{power5}, @samp{power5+},
 @samp{power6}, @samp{power6x}, @samp{power7}, @samp{power8},
-@samp{power9}, @samp{power10}, @samp{powerpc}, @samp{powerpc64},
-@samp{powerpc64le}, @samp{rs64}, and @samp{native}.
+@samp{power9}, @samp{power10}, @samp{power11},
+@samp{powerpc}, @samp{powerpc64}, @samp{powerpc64le},
+@samp{rs64}, @samp{future}, and @samp{native}.
 
 @option{-mcpu=powerpc}, @option{-mcpu=powerpc64}, and
 @option{-mcpu=powerpc64le} specify pure 32-bit PowerPC (either
diff --git a/gcc/testsuite/gcc.target/powerpc/power11-1.c b/gcc/testsuite/gcc.target/powerpc/power11-1.c
new file mode 100644
index 00000000000..6a2e802eedf
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/power11-1.c
@@ -0,0 +1,13 @@
+/* { dg-do compile { target powerpc*-*-* } } */
+/* { dg-require-effective-target power11_ok } */
+/* { dg-options "-mdejagnu-cpu=power11 -O2" } */
+
+/* Basic check to see if the compiler supports -mcpu=power11.  */
+
+#ifndef _ARCH_PWR11
+#error "-mcpu=power11 is not supported"
+#endif
+
+void foo (void)
+{
+}
diff --git a/gcc/testsuite/gcc.target/powerpc/power11-2.c b/gcc/testsuite/gcc.target/powerpc/power11-2.c
new file mode 100644
index 00000000000..7b9904c1d29
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/power11-2.c
@@ -0,0 +1,20 @@
+/* { dg-do compile { target powerpc*-*-* } } */
+/* { dg-require-effective-target power11_ok } */
+/* { dg-options "-O2" } */
+
+/* Check if we can set the power11 target via a target attribute.  */
+
+__attribute__((__target__("cpu=power9")))
+void foo_p9 (void)
+{
+}
+
+__attribute__((__target__("cpu=power10")))
+void foo_p10 (void)
+{
+}
+
+__attribute__((__target__("cpu=power11")))
+void foo_p11 (void)
+{
+}
diff --git a/gcc/testsuite/gcc.target/powerpc/power11-3.c b/gcc/testsuite/gcc.target/powerpc/power11-3.c
new file mode 100644
index 00000000000..9b2d643cc0f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/power11-3.c
@@ -0,0 +1,10 @@
+/* { dg-do compile { target powerpc*-*-* } }  */
+/* { dg-require-effective-target power11_ok } */
+/* { dg-options "-mdejagnu-cpu=power8 -O2" }  */
+
+/* Check if we can set the power11 target via a target_clones attribute.  */
+
+__attribute__((__target_clones__("cpu=power11,cpu=power9,default")))
+void foo (void)
+{
+}
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index ae33c4f1e3a..f68e440c35e 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -7104,6 +7104,23 @@ proc check_effective_target_power10_ok { } {
     }
 }
 
+# Return 1 if this is a PowerPC target supporting -mcpu=power11.
+
+proc check_effective_target_power11_ok { } {
+    if { ([istarget powerpc*-*-*]) } {
+	return [check_no_compiler_messages power11_ok object {
+	    int main (void) {
+	        #ifndef _ARCH_PWR11
+		#error "-mcpu=power11 is not supported"
+		#endif
+		return 0;
+	    }
+	} "-mcpu=power11"]
+    } else {
+	return 0
+    }
+}
+
 # Return 1 if this is a PowerPC target supporting -mfloat128 via either
 # software emulation on power7/power8 systems or hardware support on power9.

^ permalink raw reply	[flat|nested] 5+ messages in thread

* [gcc(refs/users/meissner/heads/work162)] Add -mcpu=power11 support.
@ 2024-03-09  4:52 Michael Meissner
  0 siblings, 0 replies; 5+ messages in thread
From: Michael Meissner @ 2024-03-09  4:52 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:a2e7314507fe70f16adad23dbc68a421728ff6a0

commit a2e7314507fe70f16adad23dbc68a421728ff6a0
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Fri Mar 8 23:48:20 2024 -0500

    Add -mcpu=power11 support.
    
    This patch adds the power11 option to the -mcpu= and -mtune= switches.
    
    This patch treats the power11 like a power10 in terms of costs and reassociation
    width.
    
    This patch issues a ".machine power11" to the assembly file if you use
    -mcpu=power11.
    
    This patch defines _ARCH_PWR11 if the user uses -mcpu=power11.
    
    This patch allows GCC to be configured with the --with-cpu=power11 and
    --with-tune=power11 options.
    
    This patch passes -mpwr11 to the assembler if the user uses -mcpu=power11.
    
    This patch adds support for using "power11" in the __builtin_cpu_is built-in
    function.
    
    2024-03-08  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            * config.gcc (rs6000*-*-*, powerpc*-*-*): Add support for power11.
            * config/rs6000/aix71.h (ASM_CPU_SPEC): Add support for -mcpu=power11.
            * config/rs6000/aix72.h (ASM_CPU_SPEC): Likewise.
            * config/rs6000/aix73.h (ASM_CPU_SPEC): Likewise.
            * config/rs6000/driver-rs6000.cc (asm_names): Likewise.
            * config/rs6000/ppc-auxv.h (PPC_PLATFORM_POWER11): New define.
            * config/rs6000/rs6000-builtin.cc (cpu_is_info): Add power11.
            * config/rs6000/rs6000-c.cc (rs6000_target_modify_macros): Define
            _ARCH_PWR11 if -mcpu=power11.
            * config/rs6000/rs6000-cpus.def (ISA_POWER11_MASKS_SERVER): New define.
            (POWERPC_MASKS): Add power11 isa bit.
            (power11 cpu): Add power11 definition.
            * rs6000-opts.h (PROCESSOR_POWER11): Add power11 processor.
            * config/rs6000/rs6000-string.cc (expand_compare_loop): Likewise.
            * config/rs6000/rs6000-tables.opt: Regenerate.
            * config/rs6000/rs6000.cc (rs6000_option_override_internal): Add power11
            support.
            (rs6000_machine_from_flags): Likewise.
            (rs6000_reassociation_width): Likewise.
            (rs6000_adjust_cost): Likewise.
            (rs6000_issue_rate): Likewise.
            (rs6000_sched_reorder): Likewise.
            (rs6000_sched_reorder2): Likewise.
            (rs6000_register_move_cost): Likewise.
            (rs6000_opt_masks): Likewise.
            * config/rs6000/rs6000.h (ASM_CPU_SPEC): Likewise.
            * config/rs6000/rs6000.md (cpu attribute): Add power11.
            * config/rs6000/rs6000.opt (-mpower11): Add internal power11 ISA flag.
            * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mcpu=power11.

Diff:
---
 gcc/config.gcc                      |  6 ++++--
 gcc/config/rs6000/aix71.h           |  1 +
 gcc/config/rs6000/aix72.h           |  1 +
 gcc/config/rs6000/aix73.h           |  1 +
 gcc/config/rs6000/driver-rs6000.cc  |  2 ++
 gcc/config/rs6000/ppc-auxv.h        |  3 +--
 gcc/config/rs6000/rs6000-builtin.cc |  1 +
 gcc/config/rs6000/rs6000-c.cc       |  2 ++
 gcc/config/rs6000/rs6000-cpus.def   |  5 +++++
 gcc/config/rs6000/rs6000-opts.h     |  3 ++-
 gcc/config/rs6000/rs6000-string.cc  |  1 +
 gcc/config/rs6000/rs6000-tables.opt |  3 +++
 gcc/config/rs6000/rs6000.cc         | 29 ++++++++++++++++++++++-------
 gcc/config/rs6000/rs6000.h          |  1 +
 gcc/config/rs6000/rs6000.md         |  2 +-
 gcc/config/rs6000/rs6000.opt        |  3 +++
 gcc/doc/invoke.texi                 |  5 +++--
 17 files changed, 54 insertions(+), 15 deletions(-)

diff --git a/gcc/config.gcc b/gcc/config.gcc
index 624e0dae191..8adc71d82e9 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -531,7 +531,9 @@ powerpc*-*-*)
 	extra_headers="${extra_headers} ppu_intrinsics.h spu2vmx.h vec_types.h si2vmx.h"
 	extra_headers="${extra_headers} amo.h"
 	case x$with_cpu in
-	    xpowerpc64|xdefault64|x6[23]0|x970|xG5|xpower[3456789]|xpower10|xpower6x|xrs64a|xcell|xa2|xe500mc64|xe5500|xe6500)
+	    xpowerpc64 | xdefault64 | x6[23]0 | x970 | xG5 | xpower[3456789] \
+	    | xpower1[01] | xpower6x | xrs64a | xcell | xa2 | xe500mc64 \
+	    | xe5500 | xe6500)
 		cpu_is_64bit=yes
 		;;
 	esac
@@ -5558,7 +5560,7 @@ case "${target}" in
 				eval "with_$which=405"
 				;;
 			"" | common | native \
-			| power[3456789] | power10 | power5+ | power6x \
+			| power[3456789] | power1[01] | power5+ | power6x \
 			| powerpc | powerpc64 | powerpc64le \
 			| rs64 \
 			| 401 | 403 | 405 | 405fp | 440 | 440fp | 464 | 464fp \
diff --git a/gcc/config/rs6000/aix71.h b/gcc/config/rs6000/aix71.h
index 24bc301e37d..41037b3852d 100644
--- a/gcc/config/rs6000/aix71.h
+++ b/gcc/config/rs6000/aix71.h
@@ -79,6 +79,7 @@ do {									\
 #undef ASM_CPU_SPEC
 #define ASM_CPU_SPEC \
 "%{mcpu=native: %(asm_cpu_native); \
+  mcpu=power11: -mpwr11; \
   mcpu=power10: -mpwr10; \
   mcpu=power9: -mpwr9; \
   mcpu=power8: -mpwr8; \
diff --git a/gcc/config/rs6000/aix72.h b/gcc/config/rs6000/aix72.h
index c43974f577a..fe59f8319b4 100644
--- a/gcc/config/rs6000/aix72.h
+++ b/gcc/config/rs6000/aix72.h
@@ -79,6 +79,7 @@ do {									\
 #undef ASM_CPU_SPEC
 #define ASM_CPU_SPEC \
 "%{mcpu=native: %(asm_cpu_native); \
+  mcpu=power11: -mpwr11; \
   mcpu=power10: -mpwr10; \
   mcpu=power9: -mpwr9; \
   mcpu=power8: -mpwr8; \
diff --git a/gcc/config/rs6000/aix73.h b/gcc/config/rs6000/aix73.h
index b1572bde81f..1318b0b3662 100644
--- a/gcc/config/rs6000/aix73.h
+++ b/gcc/config/rs6000/aix73.h
@@ -79,6 +79,7 @@ do {									\
 #undef ASM_CPU_SPEC
 #define ASM_CPU_SPEC \
 "%{mcpu=native: %(asm_cpu_native); \
+  mcpu=power11: -mpwr11; \
   mcpu=power10: -mpwr10; \
   mcpu=power9: -mpwr9; \
   mcpu=power8: -mpwr8; \
diff --git a/gcc/config/rs6000/driver-rs6000.cc b/gcc/config/rs6000/driver-rs6000.cc
index 3ebbaa42622..f4900724b98 100644
--- a/gcc/config/rs6000/driver-rs6000.cc
+++ b/gcc/config/rs6000/driver-rs6000.cc
@@ -451,6 +451,7 @@ static const struct asm_name asm_names[] = {
   { "power8",	"-mpwr8" },
   { "power9",	"-mpwr9" },
   { "power10",	"-mpwr10" },
+  { "power11",	"-mpwr11" },
   { "powerpc",	"-mppc" },
   { "rs64",	"-mppc" },
   { "603",	"-m603" },
@@ -479,6 +480,7 @@ static const struct asm_name asm_names[] = {
   { "power8",	"-mpower8" },
   { "power9",	"-mpower9" },
   { "power10",	"-mpower10" },
+  { "power11",	"-mpower11" },
   { "a2",	"-ma2" },
   { "powerpc",	"-mppc" },
   { "powerpc64", "-mppc64" },
diff --git a/gcc/config/rs6000/ppc-auxv.h b/gcc/config/rs6000/ppc-auxv.h
index 364bba427d1..ed269e3b72b 100644
--- a/gcc/config/rs6000/ppc-auxv.h
+++ b/gcc/config/rs6000/ppc-auxv.h
@@ -47,9 +47,8 @@
 #define PPC_PLATFORM_PPC476            12
 #define PPC_PLATFORM_POWER8            13
 #define PPC_PLATFORM_POWER9            14
-
-/* This is not yet official.  */
 #define PPC_PLATFORM_POWER10           15
+#define PPC_PLATFORM_POWER11           16
 
 /* AT_HWCAP bits.  These must match the values defined in the Linux kernel.  */
 #define PPC_FEATURE_32              0x80000000
diff --git a/gcc/config/rs6000/rs6000-builtin.cc b/gcc/config/rs6000/rs6000-builtin.cc
index 6698274031b..f3ba1eccdbd 100644
--- a/gcc/config/rs6000/rs6000-builtin.cc
+++ b/gcc/config/rs6000/rs6000-builtin.cc
@@ -2493,6 +2493,7 @@ static const struct
   const char *cpu;
   unsigned int cpuid;
 } cpu_is_info[] = {
+  { "power11",	   PPC_PLATFORM_POWER11 },
   { "power10",	   PPC_PLATFORM_POWER10 },
   { "power9",	   PPC_PLATFORM_POWER9 },
   { "power8",	   PPC_PLATFORM_POWER8 },
diff --git a/gcc/config/rs6000/rs6000-c.cc b/gcc/config/rs6000/rs6000-c.cc
index ce0b14a8d37..ebed8b9554a 100644
--- a/gcc/config/rs6000/rs6000-c.cc
+++ b/gcc/config/rs6000/rs6000-c.cc
@@ -447,6 +447,8 @@ rs6000_target_modify_macros (bool define_p, HOST_WIDE_INT flags)
     rs6000_define_or_undefine_macro (define_p, "_ARCH_PWR9");
   if ((flags & OPTION_MASK_POWER10) != 0)
     rs6000_define_or_undefine_macro (define_p, "_ARCH_PWR10");
+  if ((flags & OPTION_MASK_POWER11) != 0)
+    rs6000_define_or_undefine_macro (define_p, "_ARCH_PWR11");
   if ((flags & OPTION_MASK_SOFT_FLOAT) != 0)
     rs6000_define_or_undefine_macro (define_p, "_SOFT_FLOAT");
   if ((flags & OPTION_MASK_RECIP_PRECISION) != 0)
diff --git a/gcc/config/rs6000/rs6000-cpus.def b/gcc/config/rs6000/rs6000-cpus.def
index 28249600318..3237a5ada30 100644
--- a/gcc/config/rs6000/rs6000-cpus.def
+++ b/gcc/config/rs6000/rs6000-cpus.def
@@ -86,6 +86,9 @@
 				 | OPTION_MASK_POWER10			\
 				 | OTHER_POWER10_MASKS)
 
+#define ISA_POWER11_MASKS_SERVER (ISA_3_1_MASKS_SERVER			\
+				  | OPTION_MASK_POWER11)
+
 /* Flags that need to be turned off if -mno-vsx.  */
 #define OTHER_VSX_VECTOR_MASKS	(OPTION_MASK_EFFICIENT_UNALIGNED_VSX	\
 				 | OPTION_MASK_FLOAT128_KEYWORD		\
@@ -125,6 +128,7 @@
 				 | OPTION_MASK_FLOAT128_KEYWORD		\
 				 | OPTION_MASK_FPRND			\
 				 | OPTION_MASK_POWER10			\
+				 | OPTION_MASK_POWER11			\
 				 | OPTION_MASK_P10_FUSION		\
 				 | OPTION_MASK_HTM			\
 				 | OPTION_MASK_ISEL			\
@@ -257,3 +261,4 @@ RS6000_CPU ("powerpc64", PROCESSOR_POWERPC64, OPTION_MASK_PPC_GFXOPT
 RS6000_CPU ("powerpc64le", PROCESSOR_POWER8, MASK_POWERPC64
 	    | ISA_2_7_MASKS_SERVER | OPTION_MASK_HTM)
 RS6000_CPU ("rs64", PROCESSOR_RS64A, OPTION_MASK_PPC_GFXOPT | MASK_POWERPC64)
+RS6000_CPU ("power11", PROCESSOR_POWER11, MASK_POWERPC64 | ISA_POWER11_MASKS_SERVER)
diff --git a/gcc/config/rs6000/rs6000-opts.h b/gcc/config/rs6000/rs6000-opts.h
index 33fd0efc936..4f5af57ae1a 100644
--- a/gcc/config/rs6000/rs6000-opts.h
+++ b/gcc/config/rs6000/rs6000-opts.h
@@ -67,7 +67,8 @@ enum processor_type
    PROCESSOR_MPCCORE,
    PROCESSOR_CELL,
    PROCESSOR_PPCA2,
-   PROCESSOR_TITAN
+   PROCESSOR_TITAN,
+   PROCESSOR_POWER11
 };
 
 
diff --git a/gcc/config/rs6000/rs6000-string.cc b/gcc/config/rs6000/rs6000-string.cc
index 917f5572a6d..9c8a81172e3 100644
--- a/gcc/config/rs6000/rs6000-string.cc
+++ b/gcc/config/rs6000/rs6000-string.cc
@@ -964,6 +964,7 @@ expand_compare_loop (rtx operands[])
       break;
     case PROCESSOR_POWER9:
     case PROCESSOR_POWER10:
+    case PROCESSOR_POWER11:
       if (bytes_is_const)
 	max_bytes = 191;
       else
diff --git a/gcc/config/rs6000/rs6000-tables.opt b/gcc/config/rs6000/rs6000-tables.opt
index 65f46709716..7e5bb6e7658 100644
--- a/gcc/config/rs6000/rs6000-tables.opt
+++ b/gcc/config/rs6000/rs6000-tables.opt
@@ -197,3 +197,6 @@ Enum(rs6000_cpu_opt_value) String(powerpc64le) Value(55)
 EnumValue
 Enum(rs6000_cpu_opt_value) String(rs64) Value(56)
 
+EnumValue
+Enum(rs6000_cpu_opt_value) String(power11) Value(57)
+
diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc
index 6ba9df4f02e..9e6842fb6bc 100644
--- a/gcc/config/rs6000/rs6000.cc
+++ b/gcc/config/rs6000/rs6000.cc
@@ -1067,7 +1067,7 @@ struct processor_costs power9_cost = {
   COSTS_N_INSNS (3),	/* SF->DF convert */
 };
 
-/* Instruction costs on POWER10 processors.  */
+/* Instruction costs on POWER10/POWER11 processors.  */
 static const
 struct processor_costs power10_cost = {
   COSTS_N_INSNS (2),	/* mulsi */
@@ -4379,7 +4379,8 @@ rs6000_option_override_internal (bool global_init_p)
      generating power10 instructions.  */
   if (!(rs6000_isa_flags_explicit & OPTION_MASK_P10_FUSION))
     {
-      if (rs6000_tune == PROCESSOR_POWER10)
+      if (rs6000_tune == PROCESSOR_POWER10
+	  || rs6000_tune == PROCESSOR_POWER11)
 	rs6000_isa_flags |= OPTION_MASK_P10_FUSION;
       else
 	rs6000_isa_flags &= ~OPTION_MASK_P10_FUSION;
@@ -4408,6 +4409,7 @@ rs6000_option_override_internal (bool global_init_p)
 			&& rs6000_tune != PROCESSOR_POWER8
 			&& rs6000_tune != PROCESSOR_POWER9
 			&& rs6000_tune != PROCESSOR_POWER10
+			&& rs6000_tune != PROCESSOR_POWER11
 			&& rs6000_tune != PROCESSOR_PPCA2
 			&& rs6000_tune != PROCESSOR_CELL
 			&& rs6000_tune != PROCESSOR_PPC476);
@@ -4422,6 +4424,7 @@ rs6000_option_override_internal (bool global_init_p)
 				 || rs6000_tune == PROCESSOR_POWER8
 				 || rs6000_tune == PROCESSOR_POWER9
 				 || rs6000_tune == PROCESSOR_POWER10
+				 || rs6000_tune == PROCESSOR_POWER11
 				 || rs6000_tune == PROCESSOR_PPCE500MC
 				 || rs6000_tune == PROCESSOR_PPCE500MC64
 				 || rs6000_tune == PROCESSOR_PPCE5500
@@ -4721,6 +4724,7 @@ rs6000_option_override_internal (bool global_init_p)
 	break;
 
       case PROCESSOR_POWER10:
+      case PROCESSOR_POWER11:
 	rs6000_cost = &power10_cost;
 	break;
 
@@ -5880,6 +5884,8 @@ rs6000_machine_from_flags (void)
   /* Disable the flags that should never influence the .machine selection.  */
   flags &= ~(OPTION_MASK_PPC_GFXOPT | OPTION_MASK_PPC_GPOPT | OPTION_MASK_ISEL);
 
+  if ((flags & (ISA_POWER11_MASKS_SERVER & ~ISA_3_1_MASKS_SERVER)) != 0)
+    return "power11";
   if ((flags & (ISA_3_1_MASKS_SERVER & ~ISA_3_0_MASKS_SERVER)) != 0)
     return "power10";
   if ((flags & (ISA_3_0_MASKS_SERVER & ~ISA_2_7_MASKS_SERVER)) != 0)
@@ -10126,6 +10132,7 @@ rs6000_reassociation_width (unsigned int opc ATTRIBUTE_UNUSED,
     case PROCESSOR_POWER8:
     case PROCESSOR_POWER9:
     case PROCESSOR_POWER10:
+    case PROCESSOR_POWER11:
       if (DECIMAL_FLOAT_MODE_P (mode))
 	return 1;
       if (VECTOR_MODE_P (mode))
@@ -18207,7 +18214,8 @@ rs6000_adjust_cost (rtx_insn *insn, int dep_type, rtx_insn *dep_insn, int cost,
 
 	/* Separate a load from a narrower, dependent store.  */
 	if ((rs6000_sched_groups || rs6000_tune == PROCESSOR_POWER9
-	     || rs6000_tune == PROCESSOR_POWER10)
+	     || rs6000_tune == PROCESSOR_POWER10
+	     || rs6000_tune == PROCESSOR_POWER11)
 	    && GET_CODE (PATTERN (insn)) == SET
 	    && GET_CODE (PATTERN (dep_insn)) == SET
 	    && MEM_P (XEXP (PATTERN (insn), 1))
@@ -18246,6 +18254,7 @@ rs6000_adjust_cost (rtx_insn *insn, int dep_type, rtx_insn *dep_insn, int cost,
 		 || rs6000_tune == PROCESSOR_POWER8
 		 || rs6000_tune == PROCESSOR_POWER9
 		 || rs6000_tune == PROCESSOR_POWER10
+		 || rs6000_tune == PROCESSOR_POWER11
                  || rs6000_tune == PROCESSOR_CELL)
                 && recog_memoized (dep_insn)
                 && (INSN_CODE (dep_insn) >= 0))
@@ -18820,6 +18829,7 @@ rs6000_issue_rate (void)
   case PROCESSOR_POWER9:
     return 6;
   case PROCESSOR_POWER10:
+  case PROCESSOR_POWER11:
     return 8;
   default:
     return 1;
@@ -19536,7 +19546,9 @@ rs6000_sched_reorder (FILE *dump ATTRIBUTE_UNUSED, int sched_verbose,
     load_store_pendulum = 0;
 
   /* Do Power10 dependent reordering.  */
-  if (rs6000_tune == PROCESSOR_POWER10 && last_scheduled_insn)
+  if (last_scheduled_insn
+      && (rs6000_tune == PROCESSOR_POWER10
+	  || rs6000_tune == PROCESSOR_POWER11))
     power10_sched_reorder (ready, n_ready - 1);
 
   return rs6000_issue_rate ();
@@ -19560,8 +19572,9 @@ rs6000_sched_reorder2 (FILE *dump, int sched_verbose, rtx_insn **ready,
       && recog_memoized (last_scheduled_insn) >= 0)
     return power9_sched_reorder2 (ready, *pn_ready - 1);
 
-  /* Do Power10 dependent reordering.  */
-  if (rs6000_tune == PROCESSOR_POWER10 && last_scheduled_insn)
+  if (last_scheduled_insn
+      && (rs6000_tune == PROCESSOR_POWER10
+	  || rs6000_tune == PROCESSOR_POWER11))
     return power10_sched_reorder (ready, *pn_ready - 1);
 
   return cached_can_issue_more;
@@ -22778,7 +22791,8 @@ rs6000_register_move_cost (machine_mode mode,
 		 allocation a move within the same class might turn
 		 out to be a nop.  */
 	      if (rs6000_tune == PROCESSOR_POWER9
-		  || rs6000_tune == PROCESSOR_POWER10)
+		  || rs6000_tune == PROCESSOR_POWER10
+		  || rs6000_tune == PROCESSOR_POWER11)
 		ret = 3 * hard_regno_nregs (FIRST_GPR_REGNO, mode);
 	      else
 		ret = 4 * hard_regno_nregs (FIRST_GPR_REGNO, mode);
@@ -24437,6 +24451,7 @@ static struct rs6000_opt_mask const rs6000_opt_masks[] =
   { "float128-hardware",	OPTION_MASK_FLOAT128_HW,	false, true  },
   { "fprnd",			OPTION_MASK_FPRND,		false, true  },
   { "power10",			OPTION_MASK_POWER10,		false, true  },
+  { "power11",			OPTION_MASK_POWER11,		false, false },
   { "hard-dfp",			OPTION_MASK_DFP,		false, true  },
   { "htm",			OPTION_MASK_HTM,		false, true  },
   { "isel",			OPTION_MASK_ISEL,		false, true  },
diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h
index 68bc45d65ba..407cb379a0c 100644
--- a/gcc/config/rs6000/rs6000.h
+++ b/gcc/config/rs6000/rs6000.h
@@ -106,6 +106,7 @@
    you make changes here, make them also there.  */
 #define ASM_CPU_SPEC \
 "%{mcpu=native: %(asm_cpu_native); \
+  mcpu=power11: -mpower11; \
   mcpu=power10: -mpower10; \
   mcpu=power9: -mpower9; \
   mcpu=power8|mcpu=powerpc64le: -mpower8; \
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index bc8bc6ab060..ea4add5b283 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -351,7 +351,7 @@
    ppc403,ppc405,ppc440,ppc476,
    ppc8540,ppc8548,ppce300c2,ppce300c3,ppce500mc,ppce500mc64,ppce5500,ppce6500,
    power4,power5,power6,power7,power8,power9,power10,
-   rs64a,mpccore,cell,ppca2,titan"
+   rs64a,mpccore,cell,ppca2,titan,power11"
   (const (symbol_ref "(enum attr_cpu) rs6000_tune")))
 
 ;; The ISA we implement.
diff --git a/gcc/config/rs6000/rs6000.opt b/gcc/config/rs6000/rs6000.opt
index 83197681b66..e7a4e4a2ddd 100644
--- a/gcc/config/rs6000/rs6000.opt
+++ b/gcc/config/rs6000/rs6000.opt
@@ -581,6 +581,9 @@ Target Undocumented Var(rs6000_speculate_indirect_jumps) Init(1) Save
 mpower10
 Target Undocumented Mask(POWER10) Var(rs6000_isa_flags) WarnRemoved
 
+mpower11
+Target Undocumented Mask(POWER11) Var(rs6000_isa_flags) Warn(Do not use %<-mpower11>)
+
 mprefixed
 Target Mask(PREFIXED) Var(rs6000_isa_flags)
 Generate (do not generate) prefixed memory instructions.
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 2390d478121..c10e13e3735 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -31153,8 +31153,9 @@ Supported values for @var{cpu_type} are @samp{401}, @samp{403},
 @samp{e6500}, @samp{ec603e}, @samp{G3}, @samp{G4}, @samp{G5},
 @samp{titan}, @samp{power3}, @samp{power4}, @samp{power5}, @samp{power5+},
 @samp{power6}, @samp{power6x}, @samp{power7}, @samp{power8},
-@samp{power9}, @samp{power10}, @samp{powerpc}, @samp{powerpc64},
-@samp{powerpc64le}, @samp{rs64}, and @samp{native}.
+@samp{power9}, @samp{power10}, @samp{power11},
+@samp{powerpc}, @samp{powerpc64}, @samp{powerpc64le},
+@samp{rs64}, and @samp{native}.
 
 @option{-mcpu=powerpc}, @option{-mcpu=powerpc64}, and
 @option{-mcpu=powerpc64le} specify pure 32-bit PowerPC (either

^ permalink raw reply	[flat|nested] 5+ messages in thread

* [gcc(refs/users/meissner/heads/work162)] Add -mcpu=power11 support.
@ 2024-03-09  3:49 Michael Meissner
  0 siblings, 0 replies; 5+ messages in thread
From: Michael Meissner @ 2024-03-09  3:49 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:79df8d6772b1aecab388c0853cac305837a18b18

commit 79df8d6772b1aecab388c0853cac305837a18b18
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Fri Mar 8 22:46:47 2024 -0500

    Add -mcpu=power11 support.
    
    This patch adds the power11 option to the -mcpu= and -mtune= switches.
    
    This patch treats the power11 like a power10 in terms of costs and reassociation
    width.
    
    This patch issues a ".machine power11" to the assembly file if you use
    -mcpu=power11.
    
    This patch defines _ARCH_PWR11 if the user uses -mcpu=power11.
    
    2024-03-08  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            * config/rs6000/rs6000-c.cc (rs6000_target_modify_macros): Define
            _ARCH_PWR11 if -mcpu=power11.
            * config/rs6000/rs6000-cpus.def (ISA_POWER11_MASKS_SERVER): New define.
            (POWERPC_MASKS): Add power11 isa bit.
            (power11 cpu): Add power11 definition.
            * rs6000-opts.h (PROCESSOR_POWER11): Add power11 processor.
            * config/rs6000/rs6000-string.cc (expand_compare_loop): Likewise.
            * config/rs6000/rs6000-tables.opt: Regenerate.
            * config/rs6000/rs6000.cc (power11_cost): Add power11 support.
            (rs6000_option_override_internal): Likewise.
            (rs6000_machine_from_flags): Likewise.
            (rs6000_reassociation_width): Likewise.
            (rs6000_adjust_cost): Likewise.
            (rs6000_issue_rate): Likewise.
            (rs6000_sched_reorder): Likewise.
            (rs6000_sched_reorder2): Likewise.
            (rs6000_register_move_cost): Likewise.
            (rs6000_opt_masks): Likewise.
            * config/rs6000/rs6000.md (cpu attribute): Add power11.
            * config/rs6000/rs6000.opt (-mpower11): Add internal power11 ISA flag.
            * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mcpu=power11.

Diff:
---
 gcc/config/rs6000/rs6000-c.cc       |  2 ++
 gcc/config/rs6000/rs6000-cpus.def   |  5 +++++
 gcc/config/rs6000/rs6000-opts.h     |  3 ++-
 gcc/config/rs6000/rs6000-string.cc  |  1 +
 gcc/config/rs6000/rs6000-tables.opt |  3 +++
 gcc/config/rs6000/rs6000.cc         | 29 ++++++++++++++++++++++-------
 gcc/config/rs6000/rs6000.md         |  2 +-
 gcc/config/rs6000/rs6000.opt        |  3 +++
 gcc/doc/invoke.texi                 |  5 +++--
 9 files changed, 42 insertions(+), 11 deletions(-)

diff --git a/gcc/config/rs6000/rs6000-c.cc b/gcc/config/rs6000/rs6000-c.cc
index ce0b14a8d37..ebed8b9554a 100644
--- a/gcc/config/rs6000/rs6000-c.cc
+++ b/gcc/config/rs6000/rs6000-c.cc
@@ -447,6 +447,8 @@ rs6000_target_modify_macros (bool define_p, HOST_WIDE_INT flags)
     rs6000_define_or_undefine_macro (define_p, "_ARCH_PWR9");
   if ((flags & OPTION_MASK_POWER10) != 0)
     rs6000_define_or_undefine_macro (define_p, "_ARCH_PWR10");
+  if ((flags & OPTION_MASK_POWER11) != 0)
+    rs6000_define_or_undefine_macro (define_p, "_ARCH_PWR11");
   if ((flags & OPTION_MASK_SOFT_FLOAT) != 0)
     rs6000_define_or_undefine_macro (define_p, "_SOFT_FLOAT");
   if ((flags & OPTION_MASK_RECIP_PRECISION) != 0)
diff --git a/gcc/config/rs6000/rs6000-cpus.def b/gcc/config/rs6000/rs6000-cpus.def
index 28249600318..3237a5ada30 100644
--- a/gcc/config/rs6000/rs6000-cpus.def
+++ b/gcc/config/rs6000/rs6000-cpus.def
@@ -86,6 +86,9 @@
 				 | OPTION_MASK_POWER10			\
 				 | OTHER_POWER10_MASKS)
 
+#define ISA_POWER11_MASKS_SERVER (ISA_3_1_MASKS_SERVER			\
+				  | OPTION_MASK_POWER11)
+
 /* Flags that need to be turned off if -mno-vsx.  */
 #define OTHER_VSX_VECTOR_MASKS	(OPTION_MASK_EFFICIENT_UNALIGNED_VSX	\
 				 | OPTION_MASK_FLOAT128_KEYWORD		\
@@ -125,6 +128,7 @@
 				 | OPTION_MASK_FLOAT128_KEYWORD		\
 				 | OPTION_MASK_FPRND			\
 				 | OPTION_MASK_POWER10			\
+				 | OPTION_MASK_POWER11			\
 				 | OPTION_MASK_P10_FUSION		\
 				 | OPTION_MASK_HTM			\
 				 | OPTION_MASK_ISEL			\
@@ -257,3 +261,4 @@ RS6000_CPU ("powerpc64", PROCESSOR_POWERPC64, OPTION_MASK_PPC_GFXOPT
 RS6000_CPU ("powerpc64le", PROCESSOR_POWER8, MASK_POWERPC64
 	    | ISA_2_7_MASKS_SERVER | OPTION_MASK_HTM)
 RS6000_CPU ("rs64", PROCESSOR_RS64A, OPTION_MASK_PPC_GFXOPT | MASK_POWERPC64)
+RS6000_CPU ("power11", PROCESSOR_POWER11, MASK_POWERPC64 | ISA_POWER11_MASKS_SERVER)
diff --git a/gcc/config/rs6000/rs6000-opts.h b/gcc/config/rs6000/rs6000-opts.h
index 33fd0efc936..4f5af57ae1a 100644
--- a/gcc/config/rs6000/rs6000-opts.h
+++ b/gcc/config/rs6000/rs6000-opts.h
@@ -67,7 +67,8 @@ enum processor_type
    PROCESSOR_MPCCORE,
    PROCESSOR_CELL,
    PROCESSOR_PPCA2,
-   PROCESSOR_TITAN
+   PROCESSOR_TITAN,
+   PROCESSOR_POWER11
 };
 
 
diff --git a/gcc/config/rs6000/rs6000-string.cc b/gcc/config/rs6000/rs6000-string.cc
index 917f5572a6d..9c8a81172e3 100644
--- a/gcc/config/rs6000/rs6000-string.cc
+++ b/gcc/config/rs6000/rs6000-string.cc
@@ -964,6 +964,7 @@ expand_compare_loop (rtx operands[])
       break;
     case PROCESSOR_POWER9:
     case PROCESSOR_POWER10:
+    case PROCESSOR_POWER11:
       if (bytes_is_const)
 	max_bytes = 191;
       else
diff --git a/gcc/config/rs6000/rs6000-tables.opt b/gcc/config/rs6000/rs6000-tables.opt
index 65f46709716..7e5bb6e7658 100644
--- a/gcc/config/rs6000/rs6000-tables.opt
+++ b/gcc/config/rs6000/rs6000-tables.opt
@@ -197,3 +197,6 @@ Enum(rs6000_cpu_opt_value) String(powerpc64le) Value(55)
 EnumValue
 Enum(rs6000_cpu_opt_value) String(rs64) Value(56)
 
+EnumValue
+Enum(rs6000_cpu_opt_value) String(power11) Value(57)
+
diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc
index 6ba9df4f02e..71845aa06a4 100644
--- a/gcc/config/rs6000/rs6000.cc
+++ b/gcc/config/rs6000/rs6000.cc
@@ -1067,7 +1067,7 @@ struct processor_costs power9_cost = {
   COSTS_N_INSNS (3),	/* SF->DF convert */
 };
 
-/* Instruction costs on POWER10 processors.  */
+/* Instruction costs on POWER10/POWER11 processors.  */
 static const
 struct processor_costs power10_cost = {
   COSTS_N_INSNS (2),	/* mulsi */
@@ -4379,7 +4379,8 @@ rs6000_option_override_internal (bool global_init_p)
      generating power10 instructions.  */
   if (!(rs6000_isa_flags_explicit & OPTION_MASK_P10_FUSION))
     {
-      if (rs6000_tune == PROCESSOR_POWER10)
+      if (rs6000_tune == PROCESSOR_POWER10
+	  || rs6000_tune == PROCESSOR_POWER11)
 	rs6000_isa_flags |= OPTION_MASK_P10_FUSION;
       else
 	rs6000_isa_flags &= ~OPTION_MASK_P10_FUSION;
@@ -4408,6 +4409,7 @@ rs6000_option_override_internal (bool global_init_p)
 			&& rs6000_tune != PROCESSOR_POWER8
 			&& rs6000_tune != PROCESSOR_POWER9
 			&& rs6000_tune != PROCESSOR_POWER10
+			&& rs6000_tune != PROCESSOR_POWER11
 			&& rs6000_tune != PROCESSOR_PPCA2
 			&& rs6000_tune != PROCESSOR_CELL
 			&& rs6000_tune != PROCESSOR_PPC476);
@@ -4422,6 +4424,7 @@ rs6000_option_override_internal (bool global_init_p)
 				 || rs6000_tune == PROCESSOR_POWER8
 				 || rs6000_tune == PROCESSOR_POWER9
 				 || rs6000_tune == PROCESSOR_POWER10
+				 || rs6000_tune == PROCESSOR_POWER11
 				 || rs6000_tune == PROCESSOR_PPCE500MC
 				 || rs6000_tune == PROCESSOR_PPCE500MC64
 				 || rs6000_tune == PROCESSOR_PPCE5500
@@ -4721,6 +4724,7 @@ rs6000_option_override_internal (bool global_init_p)
 	break;
 
       case PROCESSOR_POWER10:
+      case PROCESSOR_POWER11:
 	rs6000_cost = &power10_cost;
 	break;
 
@@ -5880,6 +5884,8 @@ rs6000_machine_from_flags (void)
   /* Disable the flags that should never influence the .machine selection.  */
   flags &= ~(OPTION_MASK_PPC_GFXOPT | OPTION_MASK_PPC_GPOPT | OPTION_MASK_ISEL);
 
+  if ((flags & (ISA_POWER11_MASKS_SERVER & ~ISA_3_1_MASKS_SERVER)) != 0)
+    return "power11";
   if ((flags & (ISA_3_1_MASKS_SERVER & ~ISA_3_0_MASKS_SERVER)) != 0)
     return "power10";
   if ((flags & (ISA_3_0_MASKS_SERVER & ~ISA_2_7_MASKS_SERVER)) != 0)
@@ -10126,6 +10132,7 @@ rs6000_reassociation_width (unsigned int opc ATTRIBUTE_UNUSED,
     case PROCESSOR_POWER8:
     case PROCESSOR_POWER9:
     case PROCESSOR_POWER10:
+    case PROCESSOR_POWER11:
       if (DECIMAL_FLOAT_MODE_P (mode))
 	return 1;
       if (VECTOR_MODE_P (mode))
@@ -18207,7 +18214,8 @@ rs6000_adjust_cost (rtx_insn *insn, int dep_type, rtx_insn *dep_insn, int cost,
 
 	/* Separate a load from a narrower, dependent store.  */
 	if ((rs6000_sched_groups || rs6000_tune == PROCESSOR_POWER9
-	     || rs6000_tune == PROCESSOR_POWER10)
+	     || rs6000_tune == PROCESSOR_POWER10
+	     || rs6000_tune == PROCESSOR_POWER11)
 	    && GET_CODE (PATTERN (insn)) == SET
 	    && GET_CODE (PATTERN (dep_insn)) == SET
 	    && MEM_P (XEXP (PATTERN (insn), 1))
@@ -18246,6 +18254,7 @@ rs6000_adjust_cost (rtx_insn *insn, int dep_type, rtx_insn *dep_insn, int cost,
 		 || rs6000_tune == PROCESSOR_POWER8
 		 || rs6000_tune == PROCESSOR_POWER9
 		 || rs6000_tune == PROCESSOR_POWER10
+		 || rs6000_tune == PROCESSOR_POWER11
                  || rs6000_tune == PROCESSOR_CELL)
                 && recog_memoized (dep_insn)
                 && (INSN_CODE (dep_insn) >= 0))
@@ -18820,6 +18829,7 @@ rs6000_issue_rate (void)
   case PROCESSOR_POWER9:
     return 6;
   case PROCESSOR_POWER10:
+  case PROCESSOR_POWER11:
     return 8;
   default:
     return 1;
@@ -19536,7 +19546,9 @@ rs6000_sched_reorder (FILE *dump ATTRIBUTE_UNUSED, int sched_verbose,
     load_store_pendulum = 0;
 
   /* Do Power10 dependent reordering.  */
-  if (rs6000_tune == PROCESSOR_POWER10 && last_scheduled_insn)
+  if (last_scheduled_insn
+      && (rs6000_tune == PROCESSOR_POWER10
+	  || rs6000_tune == PROCESSOR_POWER11))
     power10_sched_reorder (ready, n_ready - 1);
 
   return rs6000_issue_rate ();
@@ -19560,8 +19572,9 @@ rs6000_sched_reorder2 (FILE *dump, int sched_verbose, rtx_insn **ready,
       && recog_memoized (last_scheduled_insn) >= 0)
     return power9_sched_reorder2 (ready, *pn_ready - 1);
 
-  /* Do Power10 dependent reordering.  */
-  if (rs6000_tune == PROCESSOR_POWER10 && last_scheduled_insn)
+  if (last_scheduled_insn
+      && (rs6000_tune == PROCESSOR_POWER10
+	  || rs6000_tune == PROCESSOR_POWER11))
     return power10_sched_reorder (ready, *pn_ready - 1);
 
   return cached_can_issue_more;
@@ -22778,7 +22791,8 @@ rs6000_register_move_cost (machine_mode mode,
 		 allocation a move within the same class might turn
 		 out to be a nop.  */
 	      if (rs6000_tune == PROCESSOR_POWER9
-		  || rs6000_tune == PROCESSOR_POWER10)
+		  || rs6000_tune == PROCESSOR_POWER10
+		  || rs6000_tune == PROCESSOR_POWER11)
 		ret = 3 * hard_regno_nregs (FIRST_GPR_REGNO, mode);
 	      else
 		ret = 4 * hard_regno_nregs (FIRST_GPR_REGNO, mode);
@@ -24437,6 +24451,7 @@ static struct rs6000_opt_mask const rs6000_opt_masks[] =
   { "float128-hardware",	OPTION_MASK_FLOAT128_HW,	false, true  },
   { "fprnd",			OPTION_MASK_FPRND,		false, true  },
   { "power10",			OPTION_MASK_POWER10,		false, true  },
+  { "power11",			OPTION_MASK_POWER11,		false, true  },
   { "hard-dfp",			OPTION_MASK_DFP,		false, true  },
   { "htm",			OPTION_MASK_HTM,		false, true  },
   { "isel",			OPTION_MASK_ISEL,		false, true  },
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index bc8bc6ab060..ea4add5b283 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -351,7 +351,7 @@
    ppc403,ppc405,ppc440,ppc476,
    ppc8540,ppc8548,ppce300c2,ppce300c3,ppce500mc,ppce500mc64,ppce5500,ppce6500,
    power4,power5,power6,power7,power8,power9,power10,
-   rs64a,mpccore,cell,ppca2,titan"
+   rs64a,mpccore,cell,ppca2,titan,power11"
   (const (symbol_ref "(enum attr_cpu) rs6000_tune")))
 
 ;; The ISA we implement.
diff --git a/gcc/config/rs6000/rs6000.opt b/gcc/config/rs6000/rs6000.opt
index 83197681b66..e7a4e4a2ddd 100644
--- a/gcc/config/rs6000/rs6000.opt
+++ b/gcc/config/rs6000/rs6000.opt
@@ -581,6 +581,9 @@ Target Undocumented Var(rs6000_speculate_indirect_jumps) Init(1) Save
 mpower10
 Target Undocumented Mask(POWER10) Var(rs6000_isa_flags) WarnRemoved
 
+mpower11
+Target Undocumented Mask(POWER11) Var(rs6000_isa_flags) Warn(Do not use %<-mpower11>)
+
 mprefixed
 Target Mask(PREFIXED) Var(rs6000_isa_flags)
 Generate (do not generate) prefixed memory instructions.
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 2390d478121..c10e13e3735 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -31153,8 +31153,9 @@ Supported values for @var{cpu_type} are @samp{401}, @samp{403},
 @samp{e6500}, @samp{ec603e}, @samp{G3}, @samp{G4}, @samp{G5},
 @samp{titan}, @samp{power3}, @samp{power4}, @samp{power5}, @samp{power5+},
 @samp{power6}, @samp{power6x}, @samp{power7}, @samp{power8},
-@samp{power9}, @samp{power10}, @samp{powerpc}, @samp{powerpc64},
-@samp{powerpc64le}, @samp{rs64}, and @samp{native}.
+@samp{power9}, @samp{power10}, @samp{power11},
+@samp{powerpc}, @samp{powerpc64}, @samp{powerpc64le},
+@samp{rs64}, and @samp{native}.
 
 @option{-mcpu=powerpc}, @option{-mcpu=powerpc64}, and
 @option{-mcpu=powerpc64le} specify pure 32-bit PowerPC (either

^ permalink raw reply	[flat|nested] 5+ messages in thread

* [gcc(refs/users/meissner/heads/work162)] Add -mcpu=power11 support.
@ 2024-03-08 22:15 Michael Meissner
  0 siblings, 0 replies; 5+ messages in thread
From: Michael Meissner @ 2024-03-08 22:15 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:0296376c2c19ba06eef70e36bbc41f5cfe947905

commit 0296376c2c19ba06eef70e36bbc41f5cfe947905
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Fri Mar 8 16:42:18 2024 -0500

    Add -mcpu=power11 support.
    
    This patch adds the power11 option to the -mcpu= and -mtune= switches.
    
    This patch treats the power11 like a power10 in terms of costs and reassociation
    width.
    
    This patch issues a ".machine power11" to the assembly file if you use
    -mcpu=power11.
    
    This patch defines _ARCH_PWR11 if the user uses -mcpu=power11.
    
    2024-03-08  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            * config/rs6000/rs6000-c.cc (rs6000_target_modify_macros): Define
            _ARCH_PWR11 if -mcpu=power11.
            * config/rs6000/rs6000-cpus.def (ISA_POWER11_MASKS_SERVER): New define.
            (POWERPC_MASKS): Add power11 isa bit.
            (power11 cpu): Add power11 definition.
            * rs6000-opts.h (PROCESSOR_POWER11): Add power11 processor.
            * config/rs6000/rs6000-string.cc (expand_compare_loop): Likewise.
            * config/rs6000/rs6000-tables.opt: Regenerate.
            * config/rs6000/rs6000.cc (power11_cost): Add power11 support.
            (rs6000_option_override_internal): Likewise.
            (rs6000_machine_from_flags): Likewise.
            (rs6000_reassociation_width): Likewise.
            (rs6000_adjust_cost): Likewise.
            (rs6000_issue_rate): Likewise.
            (rs6000_sched_reorder): Likewise.
            (rs6000_sched_reorder2): Likewise.
            (rs6000_register_move_cost): Likewise.
            (rs6000_opt_masks): Likewise.
            * config/rs6000/rs6000.md (cpu attribute): Add power11.
            * config/rs6000/rs6000.opt (-mpower11): Add internal power11 ISA flag.
            * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mcpu=power11.

Diff:
---
 gcc/config/rs6000/rs6000-c.cc       |  2 ++
 gcc/config/rs6000/rs6000-cpus.def   |  5 ++++
 gcc/config/rs6000/rs6000-opts.h     |  3 ++-
 gcc/config/rs6000/rs6000-string.cc  |  1 +
 gcc/config/rs6000/rs6000-tables.opt |  3 +++
 gcc/config/rs6000/rs6000.cc         | 50 ++++++++++++++++++++++++++++++++-----
 gcc/config/rs6000/rs6000.md         |  2 +-
 gcc/config/rs6000/rs6000.opt        |  3 +++
 gcc/doc/invoke.texi                 |  5 ++--
 9 files changed, 64 insertions(+), 10 deletions(-)

diff --git a/gcc/config/rs6000/rs6000-c.cc b/gcc/config/rs6000/rs6000-c.cc
index ce0b14a8d37..ebed8b9554a 100644
--- a/gcc/config/rs6000/rs6000-c.cc
+++ b/gcc/config/rs6000/rs6000-c.cc
@@ -447,6 +447,8 @@ rs6000_target_modify_macros (bool define_p, HOST_WIDE_INT flags)
     rs6000_define_or_undefine_macro (define_p, "_ARCH_PWR9");
   if ((flags & OPTION_MASK_POWER10) != 0)
     rs6000_define_or_undefine_macro (define_p, "_ARCH_PWR10");
+  if ((flags & OPTION_MASK_POWER11) != 0)
+    rs6000_define_or_undefine_macro (define_p, "_ARCH_PWR11");
   if ((flags & OPTION_MASK_SOFT_FLOAT) != 0)
     rs6000_define_or_undefine_macro (define_p, "_SOFT_FLOAT");
   if ((flags & OPTION_MASK_RECIP_PRECISION) != 0)
diff --git a/gcc/config/rs6000/rs6000-cpus.def b/gcc/config/rs6000/rs6000-cpus.def
index 28249600318..3237a5ada30 100644
--- a/gcc/config/rs6000/rs6000-cpus.def
+++ b/gcc/config/rs6000/rs6000-cpus.def
@@ -86,6 +86,9 @@
 				 | OPTION_MASK_POWER10			\
 				 | OTHER_POWER10_MASKS)
 
+#define ISA_POWER11_MASKS_SERVER (ISA_3_1_MASKS_SERVER			\
+				  | OPTION_MASK_POWER11)
+
 /* Flags that need to be turned off if -mno-vsx.  */
 #define OTHER_VSX_VECTOR_MASKS	(OPTION_MASK_EFFICIENT_UNALIGNED_VSX	\
 				 | OPTION_MASK_FLOAT128_KEYWORD		\
@@ -125,6 +128,7 @@
 				 | OPTION_MASK_FLOAT128_KEYWORD		\
 				 | OPTION_MASK_FPRND			\
 				 | OPTION_MASK_POWER10			\
+				 | OPTION_MASK_POWER11			\
 				 | OPTION_MASK_P10_FUSION		\
 				 | OPTION_MASK_HTM			\
 				 | OPTION_MASK_ISEL			\
@@ -257,3 +261,4 @@ RS6000_CPU ("powerpc64", PROCESSOR_POWERPC64, OPTION_MASK_PPC_GFXOPT
 RS6000_CPU ("powerpc64le", PROCESSOR_POWER8, MASK_POWERPC64
 	    | ISA_2_7_MASKS_SERVER | OPTION_MASK_HTM)
 RS6000_CPU ("rs64", PROCESSOR_RS64A, OPTION_MASK_PPC_GFXOPT | MASK_POWERPC64)
+RS6000_CPU ("power11", PROCESSOR_POWER11, MASK_POWERPC64 | ISA_POWER11_MASKS_SERVER)
diff --git a/gcc/config/rs6000/rs6000-opts.h b/gcc/config/rs6000/rs6000-opts.h
index 33fd0efc936..4f5af57ae1a 100644
--- a/gcc/config/rs6000/rs6000-opts.h
+++ b/gcc/config/rs6000/rs6000-opts.h
@@ -67,7 +67,8 @@ enum processor_type
    PROCESSOR_MPCCORE,
    PROCESSOR_CELL,
    PROCESSOR_PPCA2,
-   PROCESSOR_TITAN
+   PROCESSOR_TITAN,
+   PROCESSOR_POWER11
 };
 
 
diff --git a/gcc/config/rs6000/rs6000-string.cc b/gcc/config/rs6000/rs6000-string.cc
index 917f5572a6d..9c8a81172e3 100644
--- a/gcc/config/rs6000/rs6000-string.cc
+++ b/gcc/config/rs6000/rs6000-string.cc
@@ -964,6 +964,7 @@ expand_compare_loop (rtx operands[])
       break;
     case PROCESSOR_POWER9:
     case PROCESSOR_POWER10:
+    case PROCESSOR_POWER11:
       if (bytes_is_const)
 	max_bytes = 191;
       else
diff --git a/gcc/config/rs6000/rs6000-tables.opt b/gcc/config/rs6000/rs6000-tables.opt
index 65f46709716..7e5bb6e7658 100644
--- a/gcc/config/rs6000/rs6000-tables.opt
+++ b/gcc/config/rs6000/rs6000-tables.opt
@@ -197,3 +197,6 @@ Enum(rs6000_cpu_opt_value) String(powerpc64le) Value(55)
 EnumValue
 Enum(rs6000_cpu_opt_value) String(rs64) Value(56)
 
+EnumValue
+Enum(rs6000_cpu_opt_value) String(power11) Value(57)
+
diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc
index 6ba9df4f02e..5380dce7a07 100644
--- a/gcc/config/rs6000/rs6000.cc
+++ b/gcc/config/rs6000/rs6000.cc
@@ -1087,6 +1087,26 @@ struct processor_costs power10_cost = {
   COSTS_N_INSNS (2),	/* SF->DF convert */
 };
 
+/* Instruction costs on POWER11 processors.  */
+static const
+struct processor_costs power11_cost = {
+  COSTS_N_INSNS (2),	/* mulsi */
+  COSTS_N_INSNS (2),	/* mulsi_const */
+  COSTS_N_INSNS (2),	/* mulsi_const9 */
+  COSTS_N_INSNS (2),	/* muldi */
+  COSTS_N_INSNS (6),	/* divsi */
+  COSTS_N_INSNS (6),	/* divdi */
+  COSTS_N_INSNS (2),	/* fp */
+  COSTS_N_INSNS (2),	/* dmul */
+  COSTS_N_INSNS (11),	/* sdiv */
+  COSTS_N_INSNS (13),	/* ddiv */
+  128,			/* cache line size */
+  32,			/* l1 cache */
+  512,			/* l2 cache */
+  16,			/* prefetch streams */
+  COSTS_N_INSNS (2),	/* SF->DF convert */
+};
+
 /* Instruction costs on POWER A2 processors.  */
 static const
 struct processor_costs ppca2_cost = {
@@ -4379,7 +4399,8 @@ rs6000_option_override_internal (bool global_init_p)
      generating power10 instructions.  */
   if (!(rs6000_isa_flags_explicit & OPTION_MASK_P10_FUSION))
     {
-      if (rs6000_tune == PROCESSOR_POWER10)
+      if (rs6000_tune == PROCESSOR_POWER10
+	  || rs6000_tune == PROCESSOR_POWER11)
 	rs6000_isa_flags |= OPTION_MASK_P10_FUSION;
       else
 	rs6000_isa_flags &= ~OPTION_MASK_P10_FUSION;
@@ -4408,6 +4429,7 @@ rs6000_option_override_internal (bool global_init_p)
 			&& rs6000_tune != PROCESSOR_POWER8
 			&& rs6000_tune != PROCESSOR_POWER9
 			&& rs6000_tune != PROCESSOR_POWER10
+			&& rs6000_tune != PROCESSOR_POWER11
 			&& rs6000_tune != PROCESSOR_PPCA2
 			&& rs6000_tune != PROCESSOR_CELL
 			&& rs6000_tune != PROCESSOR_PPC476);
@@ -4422,6 +4444,7 @@ rs6000_option_override_internal (bool global_init_p)
 				 || rs6000_tune == PROCESSOR_POWER8
 				 || rs6000_tune == PROCESSOR_POWER9
 				 || rs6000_tune == PROCESSOR_POWER10
+				 || rs6000_tune == PROCESSOR_POWER11
 				 || rs6000_tune == PROCESSOR_PPCE500MC
 				 || rs6000_tune == PROCESSOR_PPCE500MC64
 				 || rs6000_tune == PROCESSOR_PPCE5500
@@ -4724,6 +4747,10 @@ rs6000_option_override_internal (bool global_init_p)
 	rs6000_cost = &power10_cost;
 	break;
 
+      case PROCESSOR_POWER11:
+	rs6000_cost = &power11_cost;
+	break;
+
       case PROCESSOR_PPCA2:
 	rs6000_cost = &ppca2_cost;
 	break;
@@ -5880,6 +5907,8 @@ rs6000_machine_from_flags (void)
   /* Disable the flags that should never influence the .machine selection.  */
   flags &= ~(OPTION_MASK_PPC_GFXOPT | OPTION_MASK_PPC_GPOPT | OPTION_MASK_ISEL);
 
+  if ((flags & (ISA_POWER11_MASKS_SERVER & ~ISA_3_1_MASKS_SERVER)) != 0)
+    return "power11";
   if ((flags & (ISA_3_1_MASKS_SERVER & ~ISA_3_0_MASKS_SERVER)) != 0)
     return "power10";
   if ((flags & (ISA_3_0_MASKS_SERVER & ~ISA_2_7_MASKS_SERVER)) != 0)
@@ -10126,6 +10155,7 @@ rs6000_reassociation_width (unsigned int opc ATTRIBUTE_UNUSED,
     case PROCESSOR_POWER8:
     case PROCESSOR_POWER9:
     case PROCESSOR_POWER10:
+    case PROCESSOR_POWER11:
       if (DECIMAL_FLOAT_MODE_P (mode))
 	return 1;
       if (VECTOR_MODE_P (mode))
@@ -18207,7 +18237,8 @@ rs6000_adjust_cost (rtx_insn *insn, int dep_type, rtx_insn *dep_insn, int cost,
 
 	/* Separate a load from a narrower, dependent store.  */
 	if ((rs6000_sched_groups || rs6000_tune == PROCESSOR_POWER9
-	     || rs6000_tune == PROCESSOR_POWER10)
+	     || rs6000_tune == PROCESSOR_POWER10
+	     || rs6000_tune == PROCESSOR_POWER11)
 	    && GET_CODE (PATTERN (insn)) == SET
 	    && GET_CODE (PATTERN (dep_insn)) == SET
 	    && MEM_P (XEXP (PATTERN (insn), 1))
@@ -18246,6 +18277,7 @@ rs6000_adjust_cost (rtx_insn *insn, int dep_type, rtx_insn *dep_insn, int cost,
 		 || rs6000_tune == PROCESSOR_POWER8
 		 || rs6000_tune == PROCESSOR_POWER9
 		 || rs6000_tune == PROCESSOR_POWER10
+		 || rs6000_tune == PROCESSOR_POWER11
                  || rs6000_tune == PROCESSOR_CELL)
                 && recog_memoized (dep_insn)
                 && (INSN_CODE (dep_insn) >= 0))
@@ -18820,6 +18852,7 @@ rs6000_issue_rate (void)
   case PROCESSOR_POWER9:
     return 6;
   case PROCESSOR_POWER10:
+  case PROCESSOR_POWER11:
     return 8;
   default:
     return 1;
@@ -19536,7 +19569,9 @@ rs6000_sched_reorder (FILE *dump ATTRIBUTE_UNUSED, int sched_verbose,
     load_store_pendulum = 0;
 
   /* Do Power10 dependent reordering.  */
-  if (rs6000_tune == PROCESSOR_POWER10 && last_scheduled_insn)
+  if (last_scheduled_insn
+      && (rs6000_tune == PROCESSOR_POWER10
+	  || rs6000_tune == PROCESSOR_POWER11))
     power10_sched_reorder (ready, n_ready - 1);
 
   return rs6000_issue_rate ();
@@ -19560,8 +19595,9 @@ rs6000_sched_reorder2 (FILE *dump, int sched_verbose, rtx_insn **ready,
       && recog_memoized (last_scheduled_insn) >= 0)
     return power9_sched_reorder2 (ready, *pn_ready - 1);
 
-  /* Do Power10 dependent reordering.  */
-  if (rs6000_tune == PROCESSOR_POWER10 && last_scheduled_insn)
+  if (last_scheduled_insn
+      && (rs6000_tune == PROCESSOR_POWER10
+	  || rs6000_tune == PROCESSOR_POWER11))
     return power10_sched_reorder (ready, *pn_ready - 1);
 
   return cached_can_issue_more;
@@ -22778,7 +22814,8 @@ rs6000_register_move_cost (machine_mode mode,
 		 allocation a move within the same class might turn
 		 out to be a nop.  */
 	      if (rs6000_tune == PROCESSOR_POWER9
-		  || rs6000_tune == PROCESSOR_POWER10)
+		  || rs6000_tune == PROCESSOR_POWER10
+		  || rs6000_tune == PROCESSOR_POWER11)
 		ret = 3 * hard_regno_nregs (FIRST_GPR_REGNO, mode);
 	      else
 		ret = 4 * hard_regno_nregs (FIRST_GPR_REGNO, mode);
@@ -24437,6 +24474,7 @@ static struct rs6000_opt_mask const rs6000_opt_masks[] =
   { "float128-hardware",	OPTION_MASK_FLOAT128_HW,	false, true  },
   { "fprnd",			OPTION_MASK_FPRND,		false, true  },
   { "power10",			OPTION_MASK_POWER10,		false, true  },
+  { "power11",			OPTION_MASK_POWER11,		false, true  },
   { "hard-dfp",			OPTION_MASK_DFP,		false, true  },
   { "htm",			OPTION_MASK_HTM,		false, true  },
   { "isel",			OPTION_MASK_ISEL,		false, true  },
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index bc8bc6ab060..ea4add5b283 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -351,7 +351,7 @@
    ppc403,ppc405,ppc440,ppc476,
    ppc8540,ppc8548,ppce300c2,ppce300c3,ppce500mc,ppce500mc64,ppce5500,ppce6500,
    power4,power5,power6,power7,power8,power9,power10,
-   rs64a,mpccore,cell,ppca2,titan"
+   rs64a,mpccore,cell,ppca2,titan,power11"
   (const (symbol_ref "(enum attr_cpu) rs6000_tune")))
 
 ;; The ISA we implement.
diff --git a/gcc/config/rs6000/rs6000.opt b/gcc/config/rs6000/rs6000.opt
index 83197681b66..e7a4e4a2ddd 100644
--- a/gcc/config/rs6000/rs6000.opt
+++ b/gcc/config/rs6000/rs6000.opt
@@ -581,6 +581,9 @@ Target Undocumented Var(rs6000_speculate_indirect_jumps) Init(1) Save
 mpower10
 Target Undocumented Mask(POWER10) Var(rs6000_isa_flags) WarnRemoved
 
+mpower11
+Target Undocumented Mask(POWER11) Var(rs6000_isa_flags) Warn(Do not use %<-mpower11>)
+
 mprefixed
 Target Mask(PREFIXED) Var(rs6000_isa_flags)
 Generate (do not generate) prefixed memory instructions.
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 2390d478121..162e63cd149 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -31153,8 +31153,9 @@ Supported values for @var{cpu_type} are @samp{401}, @samp{403},
 @samp{e6500}, @samp{ec603e}, @samp{G3}, @samp{G4}, @samp{G5},
 @samp{titan}, @samp{power3}, @samp{power4}, @samp{power5}, @samp{power5+},
 @samp{power6}, @samp{power6x}, @samp{power7}, @samp{power8},
-@samp{power9}, @samp{power10}, @samp{powerpc}, @samp{powerpc64},
-@samp{powerpc64le}, @samp{rs64}, and @samp{native}.
+@samp{power9}, @samp{power10}, @samp{power11},
+@samp{powerpc}, @samp{powerpc64}, @samp{powerpc64le},
+@samp{rs64}, @samp{future}, and @samp{native}.
 
 @option{-mcpu=powerpc}, @option{-mcpu=powerpc64}, and
 @option{-mcpu=powerpc64le} specify pure 32-bit PowerPC (either

^ permalink raw reply	[flat|nested] 5+ messages in thread

* [gcc(refs/users/meissner/heads/work162)] Add -mcpu=power11 support.
@ 2024-03-07 20:23 Michael Meissner
  0 siblings, 0 replies; 5+ messages in thread
From: Michael Meissner @ 2024-03-07 20:23 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:a82d2910acc0bdeb924a0c0287f0f22c8cfda58b

commit a82d2910acc0bdeb924a0c0287f0f22c8cfda58b
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Thu Mar 7 15:23:27 2024 -0500

    Add -mcpu=power11 support.
    
    2024-03-07  Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            * config/rs6000/aix71.h (ASM_CPU_SPEC): Add support for -mcpu=power11.
            * config/rs6000/aix72.h (ASM_CPU_SPEC): Likewise.
            * config/rs6000/aix73.h (ASM_CPU_SPEC): Likewise.
            * config/rs6000/driver-rs6000.cc (asm_names): Likewise.
            * config/rs6000/power10.md (all reservations): Add power11 as an
            alterntive to power10.
            * config/rs6000/ppc-auxv.h (PPC_PLATFORM_POWER11): New define.
            * config/rs6000/rs6000-builtin.cc (cpu_is_info): Add power11.
            * config/rs6000/rs6000-c.cc (rs6000_target_modify_macros): Define
            _ARCH_PWR11 if -mcpu=power11.
            * config/rs6000/rs6000-cpus.def (ISA_POWER11_MASKS_SERVER): New define.
            (POWERPC_MASKS): Add power11 isa bit.
            (power11 cpu): Add power11 definition.
            * rs6000-opts.h (PROCESSOR_POWER11): Add power11 processor.
            * config/rs6000/rs6000-tables.opt: Regenerate.
            * config/rs6000/rs6000.cc (power11_cost): Add power11 support.
            (rs6000_option_override_internal): Likewise.
            (rs6000_machine_from_flags): Likewise.
            (rs6000_reassociation_width): Likewise.
            (rs6000_adjust_cost): Likewise.
            (rs6000_issue_rate): Likewise.
            (rs6000_sched_reorder): Likewise.
            (rs6000_sched_reorder2): Likewise.
            (rs6000_register_move_cost): Likewise.
            (rs6000_opt_masks): Likewise.
            * config/rs6000/rs6000.h (ASM_CPU_SPEC): Likewise.
            * config/rs6000/rs6000.md (cpu attribute): Add power11.
            * config/rs6000/rs6000.opt (-mpower11): Add internal power11 ISA flag.
            * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mcpu=power11.
    
    gcc/testsuite/
    
            * gcc.target/powerpc/power11-1.c: New test.
            * gcc.target/powerpc/power11-2.c: Likewise.
            * gcc.target/powerpc/power11-3.c: Likewise.
            * lib/target-supports.exp (check_effective_target_power11_ok): Add new
            effective target.

Diff:
---
 gcc/config/rs6000/aix71.h                    |   1 +
 gcc/config/rs6000/aix72.h                    |   1 +
 gcc/config/rs6000/aix73.h                    |   1 +
 gcc/config/rs6000/driver-rs6000.cc           |   2 +
 gcc/config/rs6000/power10.md                 | 142 +++++++++++++--------------
 gcc/config/rs6000/ppc-auxv.h                 |   3 +-
 gcc/config/rs6000/rs6000-builtin.cc          |   1 +
 gcc/config/rs6000/rs6000-c.cc                |   2 +
 gcc/config/rs6000/rs6000-cpus.def            |   5 +
 gcc/config/rs6000/rs6000-opts.h              |   3 +-
 gcc/config/rs6000/rs6000-tables.opt          |   3 +
 gcc/config/rs6000/rs6000.cc                  |  48 +++++++--
 gcc/config/rs6000/rs6000.h                   |   1 +
 gcc/config/rs6000/rs6000.md                  |   2 +-
 gcc/config/rs6000/rs6000.opt                 |   3 +
 gcc/doc/invoke.texi                          |   5 +-
 gcc/testsuite/gcc.target/powerpc/power11-1.c |  13 +++
 gcc/testsuite/gcc.target/powerpc/power11-2.c |  20 ++++
 gcc/testsuite/gcc.target/powerpc/power11-3.c |  10 ++
 gcc/testsuite/lib/target-supports.exp        |  17 ++++
 20 files changed, 200 insertions(+), 83 deletions(-)

diff --git a/gcc/config/rs6000/aix71.h b/gcc/config/rs6000/aix71.h
index 24bc301e37d..41037b3852d 100644
--- a/gcc/config/rs6000/aix71.h
+++ b/gcc/config/rs6000/aix71.h
@@ -79,6 +79,7 @@ do {									\
 #undef ASM_CPU_SPEC
 #define ASM_CPU_SPEC \
 "%{mcpu=native: %(asm_cpu_native); \
+  mcpu=power11: -mpwr11; \
   mcpu=power10: -mpwr10; \
   mcpu=power9: -mpwr9; \
   mcpu=power8: -mpwr8; \
diff --git a/gcc/config/rs6000/aix72.h b/gcc/config/rs6000/aix72.h
index c43974f577a..fe59f8319b4 100644
--- a/gcc/config/rs6000/aix72.h
+++ b/gcc/config/rs6000/aix72.h
@@ -79,6 +79,7 @@ do {									\
 #undef ASM_CPU_SPEC
 #define ASM_CPU_SPEC \
 "%{mcpu=native: %(asm_cpu_native); \
+  mcpu=power11: -mpwr11; \
   mcpu=power10: -mpwr10; \
   mcpu=power9: -mpwr9; \
   mcpu=power8: -mpwr8; \
diff --git a/gcc/config/rs6000/aix73.h b/gcc/config/rs6000/aix73.h
index b1572bde81f..1318b0b3662 100644
--- a/gcc/config/rs6000/aix73.h
+++ b/gcc/config/rs6000/aix73.h
@@ -79,6 +79,7 @@ do {									\
 #undef ASM_CPU_SPEC
 #define ASM_CPU_SPEC \
 "%{mcpu=native: %(asm_cpu_native); \
+  mcpu=power11: -mpwr11; \
   mcpu=power10: -mpwr10; \
   mcpu=power9: -mpwr9; \
   mcpu=power8: -mpwr8; \
diff --git a/gcc/config/rs6000/driver-rs6000.cc b/gcc/config/rs6000/driver-rs6000.cc
index 3ebbaa42622..f4900724b98 100644
--- a/gcc/config/rs6000/driver-rs6000.cc
+++ b/gcc/config/rs6000/driver-rs6000.cc
@@ -451,6 +451,7 @@ static const struct asm_name asm_names[] = {
   { "power8",	"-mpwr8" },
   { "power9",	"-mpwr9" },
   { "power10",	"-mpwr10" },
+  { "power11",	"-mpwr11" },
   { "powerpc",	"-mppc" },
   { "rs64",	"-mppc" },
   { "603",	"-m603" },
@@ -479,6 +480,7 @@ static const struct asm_name asm_names[] = {
   { "power8",	"-mpower8" },
   { "power9",	"-mpower9" },
   { "power10",	"-mpower10" },
+  { "power11",	"-mpower11" },
   { "a2",	"-ma2" },
   { "powerpc",	"-mppc" },
   { "powerpc64", "-mppc64" },
diff --git a/gcc/config/rs6000/power10.md b/gcc/config/rs6000/power10.md
index fcc2199ab29..22851db3318 100644
--- a/gcc/config/rs6000/power10.md
+++ b/gcc/config/rs6000/power10.md
@@ -97,12 +97,12 @@
        (eq_attr "update" "no")
        (eq_attr "size" "!128")
        (eq_attr "prefixed" "no")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,LU_power10")
 
 (define_insn_reservation "power10-fused-load" 4
   (and (eq_attr "type" "fused_load_cmpi,fused_addis_load,fused_load_load")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,LU_power10")
 
 (define_insn_reservation "power10-prefixed-load" 4
@@ -110,13 +110,13 @@
        (eq_attr "update" "no")
        (eq_attr "size" "!128")
        (eq_attr "prefixed" "yes")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,LU_power10")
 
 (define_insn_reservation "power10-load-update" 4
   (and (eq_attr "type" "load")
        (eq_attr "update" "yes")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,LU_power10+SXU_power10")
 
 (define_insn_reservation "power10-fpload-double" 4
@@ -124,7 +124,7 @@
        (eq_attr "update" "no")
        (eq_attr "size" "64")
        (eq_attr "prefixed" "no")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,LU_power10")
 
 (define_insn_reservation "power10-prefixed-fpload-double" 4
@@ -132,14 +132,14 @@
        (eq_attr "update" "no")
        (eq_attr "size" "64")
        (eq_attr "prefixed" "yes")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,LU_power10")
 
 (define_insn_reservation "power10-fpload-update-double" 4
   (and (eq_attr "type" "fpload")
        (eq_attr "update" "yes")
        (eq_attr "size" "64")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,LU_power10+SXU_power10")
 
 ; SFmode loads are cracked and have additional 3 cycles over DFmode
@@ -148,27 +148,27 @@
   (and (eq_attr "type" "fpload")
        (eq_attr "update" "no")
        (eq_attr "size" "32")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,LU_power10")
 
 (define_insn_reservation "power10-fpload-update-single" 7
   (and (eq_attr "type" "fpload")
        (eq_attr "update" "yes")
        (eq_attr "size" "32")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,LU_power10+SXU_power10")
 
 (define_insn_reservation "power10-vecload" 4
   (and (eq_attr "type" "vecload")
        (eq_attr "size" "!256")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,LU_power10")
 
 ; lxvp
 (define_insn_reservation "power10-vecload-pair" 4
   (and (eq_attr "type" "vecload")
        (eq_attr "size" "256")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,LU_power10+SXU_power10")
 
 ; Store Unit
@@ -178,12 +178,12 @@
        (eq_attr "prefixed" "no")
        (eq_attr "size" "!128")
        (eq_attr "size" "!256")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,STU_power10")
 
 (define_insn_reservation "power10-fused-store" 0
   (and (eq_attr "type" "fused_store_store")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,STU_power10")
 
 (define_insn_reservation "power10-prefixed-store" 0
@@ -191,52 +191,52 @@
        (eq_attr "prefixed" "yes")
        (eq_attr "size" "!128")
        (eq_attr "size" "!256")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,STU_power10")
 
 ; Update forms have 2 cycle latency for updated addr reg
 (define_insn_reservation "power10-store-update" 2
   (and (eq_attr "type" "store,fpstore")
        (eq_attr "update" "yes")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,STU_power10")
 
 ; stxvp
 (define_insn_reservation "power10-vecstore-pair" 0
   (and (eq_attr "type" "vecstore")
        (eq_attr "size" "256")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,stu0_power10+stu1_power10")
 
 (define_insn_reservation "power10-larx" 4
   (and (eq_attr "type" "load_l")
        (eq_attr "size" "!128")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,LU_power10")
 
 ; All load quad forms
 (define_insn_reservation "power10-lq" 4
   (and (eq_attr "type" "load,load_l")
        (eq_attr "size" "128")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,LU_power10+SXU_power10")
 
 (define_insn_reservation "power10-stcx" 0
   (and (eq_attr "type" "store_c")
        (eq_attr "size" "!128")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,STU_power10")
 
 ; All store quad forms
 (define_insn_reservation "power10-stq" 0
   (and (eq_attr "type" "store,store_c")
        (eq_attr "size" "128")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,stu0_power10+stu1_power10")
 
 (define_insn_reservation "power10-sync" 1
   (and (eq_attr "type" "sync,isync")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,STU_power10")
 
 
@@ -248,7 +248,7 @@
 (define_insn_reservation "power10-alu" 2
   (and (eq_attr "type" "add,exts,integer,logical,isel")
        (eq_attr "prefixed" "no")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 ; 4 cycle CR latency
 (define_bypass 4 "power10-alu"
@@ -256,28 +256,28 @@
 
 (define_insn_reservation "power10-fused_alu" 2
   (and (eq_attr "type" "fused_arith_logical,fused_cmp_isel,fused_carry")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,EXU_power10")
 
 ; paddi
 (define_insn_reservation "power10-paddi" 2
   (and (eq_attr "type" "add")
        (eq_attr "prefixed" "yes")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,EXU_power10")
 
 ; Rotate/shift (non-record form)
 (define_insn_reservation "power10-rot" 2
   (and (eq_attr "type" "insert,shift")
        (eq_attr "dot" "no")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 ; Record form rotate/shift
 (define_insn_reservation "power10-rot-compare" 3
   (and (eq_attr "type" "insert,shift")
        (eq_attr "dot" "yes")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 ; 5 cycle CR latency
 (define_bypass 5 "power10-rot-compare"
@@ -285,7 +285,7 @@
 
 (define_insn_reservation "power10-alu2" 3
   (and (eq_attr "type" "cntlz,popcnt,trap")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 ; 5 cycle CR latency
 (define_bypass 5 "power10-alu2"
@@ -293,24 +293,24 @@
 
 (define_insn_reservation "power10-cmp" 2
   (and (eq_attr "type" "cmp")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 ; Treat 'two' and 'three' types as 2 or 3 way cracked
 (define_insn_reservation "power10-two" 4
   (and (eq_attr "type" "two")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,EXU_power10")
 
 (define_insn_reservation "power10-three" 6
   (and (eq_attr "type" "three")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_all_power10,EXU_power10")
 
 (define_insn_reservation "power10-mul" 5
   (and (eq_attr "type" "mul")
        (eq_attr "dot" "no")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 ; 4 cycle MUL->MUL latency
 (define_bypass 4 "power10-mul"
@@ -319,7 +319,7 @@
 (define_insn_reservation "power10-mul-compare" 5
   (and (eq_attr "type" "mul")
        (eq_attr "dot" "yes")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,EXU_power10")
 ; 4 cycle MUL->MUL latency
 (define_bypass 4 "power10-mul-compare"
@@ -331,13 +331,13 @@
 (define_insn_reservation "power10-div" 12
   (and (eq_attr "type" "div")
        (eq_attr "dot" "no")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-div-compare" 12
   (and (eq_attr "type" "div")
        (eq_attr "dot" "yes")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,EXU_power10")
 ; 14 cycle CR latency
 (define_bypass 14 "power10-div-compare"
@@ -345,34 +345,34 @@
 
 (define_insn_reservation "power10-crlogical" 2
   (and (eq_attr "type" "cr_logical")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-mfcrf" 2
   (and (eq_attr "type" "mfcrf")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-mfcr" 3
   (and (eq_attr "type" "mfcr")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,EXU_power10")
 
 ; Should differentiate between 1 cr field and > 1 since target of > 1 cr
 ; is cracked
 (define_insn_reservation "power10-mtcr" 3
   (and (eq_attr "type" "mtcr")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-mtjmpr" 3
   (and (eq_attr "type" "mtjmpr")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-mfjmpr" 2
   (and (eq_attr "type" "mfjmpr")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 
@@ -380,126 +380,126 @@
 
 (define_insn_reservation "power10-fpsimple" 3
   (and (eq_attr "type" "fpsimple")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-fp" 5
   (and (eq_attr "type" "fp,dmul")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-fpcompare" 3
   (and (eq_attr "type" "fpcompare")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-sdiv" 22
   (and (eq_attr "type" "sdiv")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-ddiv" 27
   (and (eq_attr "type" "ddiv")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-sqrt" 26
   (and (eq_attr "type" "ssqrt")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-dsqrt" 36
   (and (eq_attr "type" "dsqrt")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-vec-2cyc" 2
   (and (eq_attr "type" "vecmove,veclogical,vecexts,veccmpfx")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-fused-vec" 2
   (and (eq_attr "type" "fused_vector")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,EXU_power10")
 
 (define_insn_reservation "power10-veccmp" 3
   (and (eq_attr "type" "veccmp")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-vecsimple" 2
   (and (eq_attr "type" "vecsimple")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-vecnormal" 5
   (and (eq_attr "type" "vecfloat,vecdouble")
        (eq_attr "size" "!128")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-qp" 12
   (and (eq_attr "type" "vecfloat,vecdouble")
        (eq_attr "size" "128")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-vecperm" 3
   (and (eq_attr "type" "vecperm")
        (eq_attr "prefixed" "no")
        (eq_attr "dot" "no")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-vecperm-compare" 3
   (and (eq_attr "type" "vecperm")
        (eq_attr "dot" "yes")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,EXU_power10")
 
 (define_insn_reservation "power10-prefixed-vecperm" 3
   (and (eq_attr "type" "vecperm")
        (eq_attr "prefixed" "yes")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,EXU_power10")
 
 (define_insn_reservation "power10-veccomplex" 6
   (and (eq_attr "type" "veccomplex")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-vecfdiv" 24
   (and (eq_attr "type" "vecfdiv")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-vecdiv" 27
   (and (eq_attr "type" "vecdiv")
        (eq_attr "size" "!128")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-qpdiv" 56
   (and (eq_attr "type" "vecdiv")
        (eq_attr "size" "128")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-qpmul" 24
   (and (eq_attr "type" "qmul")
        (eq_attr "size" "128")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-mtvsr" 2
   (and (eq_attr "type" "mtvsr")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-mfvsr" 2
   (and (eq_attr "type" "mfvsr")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 
@@ -507,26 +507,26 @@
 ; Branch is 2 cycles, grouped with STU for issue
 (define_insn_reservation "power10-branch" 2
   (and (eq_attr "type" "jmpreg,branch")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,STU_power10")
 
 (define_insn_reservation "power10-fused-branch" 3
   (and (eq_attr "type" "fused_mtbc")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,STU_power10")
 
 
 ; Crypto
 (define_insn_reservation "power10-crypto" 4
   (and (eq_attr "type" "crypto")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 
 ; HTM
 (define_insn_reservation "power10-htm" 2
   (and (eq_attr "type" "htmsimple,htm")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 
@@ -535,26 +535,26 @@
 (define_insn_reservation "power10-dfp" 12
   (and (eq_attr "type" "dfp")
        (eq_attr "size" "!128")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_power10")
 
 (define_insn_reservation "power10-dfpq" 12
   (and (eq_attr "type" "dfp")
        (eq_attr "size" "128")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,EXU_power10")
 
 ; MMA
 (define_insn_reservation "power10-mma" 9
   (and (eq_attr "type" "mma")
        (eq_attr "prefixed" "no")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_any_power10,EXU_super_power10")
 
 (define_insn_reservation "power10-prefixed-mma" 9
   (and (eq_attr "type" "mma")
        (eq_attr "prefixed" "yes")
-       (eq_attr "cpu" "power10"))
+       (eq_attr "cpu" "power10,power11"))
   "DU_even_power10,EXU_super_power10")
 ; 4 cycle MMA->MMA latency
 (define_bypass 4 "power10-mma,power10-prefixed-mma"
diff --git a/gcc/config/rs6000/ppc-auxv.h b/gcc/config/rs6000/ppc-auxv.h
index 364bba427d1..ed269e3b72b 100644
--- a/gcc/config/rs6000/ppc-auxv.h
+++ b/gcc/config/rs6000/ppc-auxv.h
@@ -47,9 +47,8 @@
 #define PPC_PLATFORM_PPC476            12
 #define PPC_PLATFORM_POWER8            13
 #define PPC_PLATFORM_POWER9            14
-
-/* This is not yet official.  */
 #define PPC_PLATFORM_POWER10           15
+#define PPC_PLATFORM_POWER11           16
 
 /* AT_HWCAP bits.  These must match the values defined in the Linux kernel.  */
 #define PPC_FEATURE_32              0x80000000
diff --git a/gcc/config/rs6000/rs6000-builtin.cc b/gcc/config/rs6000/rs6000-builtin.cc
index 6698274031b..f3ba1eccdbd 100644
--- a/gcc/config/rs6000/rs6000-builtin.cc
+++ b/gcc/config/rs6000/rs6000-builtin.cc
@@ -2493,6 +2493,7 @@ static const struct
   const char *cpu;
   unsigned int cpuid;
 } cpu_is_info[] = {
+  { "power11",	   PPC_PLATFORM_POWER11 },
   { "power10",	   PPC_PLATFORM_POWER10 },
   { "power9",	   PPC_PLATFORM_POWER9 },
   { "power8",	   PPC_PLATFORM_POWER8 },
diff --git a/gcc/config/rs6000/rs6000-c.cc b/gcc/config/rs6000/rs6000-c.cc
index ce0b14a8d37..ebed8b9554a 100644
--- a/gcc/config/rs6000/rs6000-c.cc
+++ b/gcc/config/rs6000/rs6000-c.cc
@@ -447,6 +447,8 @@ rs6000_target_modify_macros (bool define_p, HOST_WIDE_INT flags)
     rs6000_define_or_undefine_macro (define_p, "_ARCH_PWR9");
   if ((flags & OPTION_MASK_POWER10) != 0)
     rs6000_define_or_undefine_macro (define_p, "_ARCH_PWR10");
+  if ((flags & OPTION_MASK_POWER11) != 0)
+    rs6000_define_or_undefine_macro (define_p, "_ARCH_PWR11");
   if ((flags & OPTION_MASK_SOFT_FLOAT) != 0)
     rs6000_define_or_undefine_macro (define_p, "_SOFT_FLOAT");
   if ((flags & OPTION_MASK_RECIP_PRECISION) != 0)
diff --git a/gcc/config/rs6000/rs6000-cpus.def b/gcc/config/rs6000/rs6000-cpus.def
index 28249600318..3237a5ada30 100644
--- a/gcc/config/rs6000/rs6000-cpus.def
+++ b/gcc/config/rs6000/rs6000-cpus.def
@@ -86,6 +86,9 @@
 				 | OPTION_MASK_POWER10			\
 				 | OTHER_POWER10_MASKS)
 
+#define ISA_POWER11_MASKS_SERVER (ISA_3_1_MASKS_SERVER			\
+				  | OPTION_MASK_POWER11)
+
 /* Flags that need to be turned off if -mno-vsx.  */
 #define OTHER_VSX_VECTOR_MASKS	(OPTION_MASK_EFFICIENT_UNALIGNED_VSX	\
 				 | OPTION_MASK_FLOAT128_KEYWORD		\
@@ -125,6 +128,7 @@
 				 | OPTION_MASK_FLOAT128_KEYWORD		\
 				 | OPTION_MASK_FPRND			\
 				 | OPTION_MASK_POWER10			\
+				 | OPTION_MASK_POWER11			\
 				 | OPTION_MASK_P10_FUSION		\
 				 | OPTION_MASK_HTM			\
 				 | OPTION_MASK_ISEL			\
@@ -257,3 +261,4 @@ RS6000_CPU ("powerpc64", PROCESSOR_POWERPC64, OPTION_MASK_PPC_GFXOPT
 RS6000_CPU ("powerpc64le", PROCESSOR_POWER8, MASK_POWERPC64
 	    | ISA_2_7_MASKS_SERVER | OPTION_MASK_HTM)
 RS6000_CPU ("rs64", PROCESSOR_RS64A, OPTION_MASK_PPC_GFXOPT | MASK_POWERPC64)
+RS6000_CPU ("power11", PROCESSOR_POWER11, MASK_POWERPC64 | ISA_POWER11_MASKS_SERVER)
diff --git a/gcc/config/rs6000/rs6000-opts.h b/gcc/config/rs6000/rs6000-opts.h
index 33fd0efc936..4f5af57ae1a 100644
--- a/gcc/config/rs6000/rs6000-opts.h
+++ b/gcc/config/rs6000/rs6000-opts.h
@@ -67,7 +67,8 @@ enum processor_type
    PROCESSOR_MPCCORE,
    PROCESSOR_CELL,
    PROCESSOR_PPCA2,
-   PROCESSOR_TITAN
+   PROCESSOR_TITAN,
+   PROCESSOR_POWER11
 };
 
 
diff --git a/gcc/config/rs6000/rs6000-tables.opt b/gcc/config/rs6000/rs6000-tables.opt
index 65f46709716..7e5bb6e7658 100644
--- a/gcc/config/rs6000/rs6000-tables.opt
+++ b/gcc/config/rs6000/rs6000-tables.opt
@@ -197,3 +197,6 @@ Enum(rs6000_cpu_opt_value) String(powerpc64le) Value(55)
 EnumValue
 Enum(rs6000_cpu_opt_value) String(rs64) Value(56)
 
+EnumValue
+Enum(rs6000_cpu_opt_value) String(power11) Value(57)
+
diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc
index 6ba9df4f02e..d8c1c188d73 100644
--- a/gcc/config/rs6000/rs6000.cc
+++ b/gcc/config/rs6000/rs6000.cc
@@ -1087,6 +1087,26 @@ struct processor_costs power10_cost = {
   COSTS_N_INSNS (2),	/* SF->DF convert */
 };
 
+/* Instruction costs on POWER11 processors.  */
+static const
+struct processor_costs power11_cost = {
+  COSTS_N_INSNS (2),	/* mulsi */
+  COSTS_N_INSNS (2),	/* mulsi_const */
+  COSTS_N_INSNS (2),	/* mulsi_const9 */
+  COSTS_N_INSNS (2),	/* muldi */
+  COSTS_N_INSNS (6),	/* divsi */
+  COSTS_N_INSNS (6),	/* divdi */
+  COSTS_N_INSNS (2),	/* fp */
+  COSTS_N_INSNS (2),	/* dmul */
+  COSTS_N_INSNS (11),	/* sdiv */
+  COSTS_N_INSNS (13),	/* ddiv */
+  128,			/* cache line size */
+  32,			/* l1 cache */
+  512,			/* l2 cache */
+  16,			/* prefetch streams */
+  COSTS_N_INSNS (2),	/* SF->DF convert */
+};
+
 /* Instruction costs on POWER A2 processors.  */
 static const
 struct processor_costs ppca2_cost = {
@@ -4408,6 +4428,7 @@ rs6000_option_override_internal (bool global_init_p)
 			&& rs6000_tune != PROCESSOR_POWER8
 			&& rs6000_tune != PROCESSOR_POWER9
 			&& rs6000_tune != PROCESSOR_POWER10
+			&& rs6000_tune != PROCESSOR_POWER11
 			&& rs6000_tune != PROCESSOR_PPCA2
 			&& rs6000_tune != PROCESSOR_CELL
 			&& rs6000_tune != PROCESSOR_PPC476);
@@ -4422,6 +4443,7 @@ rs6000_option_override_internal (bool global_init_p)
 				 || rs6000_tune == PROCESSOR_POWER8
 				 || rs6000_tune == PROCESSOR_POWER9
 				 || rs6000_tune == PROCESSOR_POWER10
+				 || rs6000_tune == PROCESSOR_POWER11
 				 || rs6000_tune == PROCESSOR_PPCE500MC
 				 || rs6000_tune == PROCESSOR_PPCE500MC64
 				 || rs6000_tune == PROCESSOR_PPCE5500
@@ -4724,6 +4746,10 @@ rs6000_option_override_internal (bool global_init_p)
 	rs6000_cost = &power10_cost;
 	break;
 
+      case PROCESSOR_POWER11:
+	rs6000_cost = &power11_cost;
+	break;
+
       case PROCESSOR_PPCA2:
 	rs6000_cost = &ppca2_cost;
 	break;
@@ -5880,6 +5906,8 @@ rs6000_machine_from_flags (void)
   /* Disable the flags that should never influence the .machine selection.  */
   flags &= ~(OPTION_MASK_PPC_GFXOPT | OPTION_MASK_PPC_GPOPT | OPTION_MASK_ISEL);
 
+  if ((flags & (ISA_POWER11_MASKS_SERVER & ~ISA_3_1_MASKS_SERVER)) != 0)
+    return "power11";
   if ((flags & (ISA_3_1_MASKS_SERVER & ~ISA_3_0_MASKS_SERVER)) != 0)
     return "power10";
   if ((flags & (ISA_3_0_MASKS_SERVER & ~ISA_2_7_MASKS_SERVER)) != 0)
@@ -10126,6 +10154,7 @@ rs6000_reassociation_width (unsigned int opc ATTRIBUTE_UNUSED,
     case PROCESSOR_POWER8:
     case PROCESSOR_POWER9:
     case PROCESSOR_POWER10:
+    case PROCESSOR_POWER11:
       if (DECIMAL_FLOAT_MODE_P (mode))
 	return 1;
       if (VECTOR_MODE_P (mode))
@@ -18207,7 +18236,8 @@ rs6000_adjust_cost (rtx_insn *insn, int dep_type, rtx_insn *dep_insn, int cost,
 
 	/* Separate a load from a narrower, dependent store.  */
 	if ((rs6000_sched_groups || rs6000_tune == PROCESSOR_POWER9
-	     || rs6000_tune == PROCESSOR_POWER10)
+	     || rs6000_tune == PROCESSOR_POWER10
+	     || rs6000_tune == PROCESSOR_POWER11)
 	    && GET_CODE (PATTERN (insn)) == SET
 	    && GET_CODE (PATTERN (dep_insn)) == SET
 	    && MEM_P (XEXP (PATTERN (insn), 1))
@@ -18246,6 +18276,7 @@ rs6000_adjust_cost (rtx_insn *insn, int dep_type, rtx_insn *dep_insn, int cost,
 		 || rs6000_tune == PROCESSOR_POWER8
 		 || rs6000_tune == PROCESSOR_POWER9
 		 || rs6000_tune == PROCESSOR_POWER10
+		 || rs6000_tune == PROCESSOR_POWER11
                  || rs6000_tune == PROCESSOR_CELL)
                 && recog_memoized (dep_insn)
                 && (INSN_CODE (dep_insn) >= 0))
@@ -18820,6 +18851,7 @@ rs6000_issue_rate (void)
   case PROCESSOR_POWER9:
     return 6;
   case PROCESSOR_POWER10:
+  case PROCESSOR_POWER11:
     return 8;
   default:
     return 1;
@@ -19536,7 +19568,9 @@ rs6000_sched_reorder (FILE *dump ATTRIBUTE_UNUSED, int sched_verbose,
     load_store_pendulum = 0;
 
   /* Do Power10 dependent reordering.  */
-  if (rs6000_tune == PROCESSOR_POWER10 && last_scheduled_insn)
+  if (last_scheduled_insn
+      && (rs6000_tune == PROCESSOR_POWER10
+	  || rs6000_tune == PROCESSOR_POWER11))
     power10_sched_reorder (ready, n_ready - 1);
 
   return rs6000_issue_rate ();
@@ -19560,9 +19594,9 @@ rs6000_sched_reorder2 (FILE *dump, int sched_verbose, rtx_insn **ready,
       && recog_memoized (last_scheduled_insn) >= 0)
     return power9_sched_reorder2 (ready, *pn_ready - 1);
 
-  /* Do Power10 dependent reordering.  */
-  if (rs6000_tune == PROCESSOR_POWER10 && last_scheduled_insn)
-    return power10_sched_reorder (ready, *pn_ready - 1);
+  if (last_scheduled_insn
+      && (rs6000_tune == PROCESSOR_POWER10
+	  || rs6000_tune == PROCESSOR_POWER11))
 
   return cached_can_issue_more;
 }
@@ -22778,7 +22812,8 @@ rs6000_register_move_cost (machine_mode mode,
 		 allocation a move within the same class might turn
 		 out to be a nop.  */
 	      if (rs6000_tune == PROCESSOR_POWER9
-		  || rs6000_tune == PROCESSOR_POWER10)
+		  || rs6000_tune == PROCESSOR_POWER10
+		  || rs6000_tune == PROCESSOR_POWER11)
 		ret = 3 * hard_regno_nregs (FIRST_GPR_REGNO, mode);
 	      else
 		ret = 4 * hard_regno_nregs (FIRST_GPR_REGNO, mode);
@@ -24437,6 +24472,7 @@ static struct rs6000_opt_mask const rs6000_opt_masks[] =
   { "float128-hardware",	OPTION_MASK_FLOAT128_HW,	false, true  },
   { "fprnd",			OPTION_MASK_FPRND,		false, true  },
   { "power10",			OPTION_MASK_POWER10,		false, true  },
+  { "power11",			OPTION_MASK_POWER11,		false, true  },
   { "hard-dfp",			OPTION_MASK_DFP,		false, true  },
   { "htm",			OPTION_MASK_HTM,		false, true  },
   { "isel",			OPTION_MASK_ISEL,		false, true  },
diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h
index 68bc45d65ba..81e2f0a33ef 100644
--- a/gcc/config/rs6000/rs6000.h
+++ b/gcc/config/rs6000/rs6000.h
@@ -107,6 +107,7 @@
 #define ASM_CPU_SPEC \
 "%{mcpu=native: %(asm_cpu_native); \
   mcpu=power10: -mpower10; \
+  mcpu=power11: -mpower11; \
   mcpu=power9: -mpower9; \
   mcpu=power8|mcpu=powerpc64le: -mpower8; \
   mcpu=power7: -mpower7; \
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index bc8bc6ab060..ea4add5b283 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -351,7 +351,7 @@
    ppc403,ppc405,ppc440,ppc476,
    ppc8540,ppc8548,ppce300c2,ppce300c3,ppce500mc,ppce500mc64,ppce5500,ppce6500,
    power4,power5,power6,power7,power8,power9,power10,
-   rs64a,mpccore,cell,ppca2,titan"
+   rs64a,mpccore,cell,ppca2,titan,power11"
   (const (symbol_ref "(enum attr_cpu) rs6000_tune")))
 
 ;; The ISA we implement.
diff --git a/gcc/config/rs6000/rs6000.opt b/gcc/config/rs6000/rs6000.opt
index 83197681b66..e7a4e4a2ddd 100644
--- a/gcc/config/rs6000/rs6000.opt
+++ b/gcc/config/rs6000/rs6000.opt
@@ -581,6 +581,9 @@ Target Undocumented Var(rs6000_speculate_indirect_jumps) Init(1) Save
 mpower10
 Target Undocumented Mask(POWER10) Var(rs6000_isa_flags) WarnRemoved
 
+mpower11
+Target Undocumented Mask(POWER11) Var(rs6000_isa_flags) Warn(Do not use %<-mpower11>)
+
 mprefixed
 Target Mask(PREFIXED) Var(rs6000_isa_flags)
 Generate (do not generate) prefixed memory instructions.
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 2390d478121..162e63cd149 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -31153,8 +31153,9 @@ Supported values for @var{cpu_type} are @samp{401}, @samp{403},
 @samp{e6500}, @samp{ec603e}, @samp{G3}, @samp{G4}, @samp{G5},
 @samp{titan}, @samp{power3}, @samp{power4}, @samp{power5}, @samp{power5+},
 @samp{power6}, @samp{power6x}, @samp{power7}, @samp{power8},
-@samp{power9}, @samp{power10}, @samp{powerpc}, @samp{powerpc64},
-@samp{powerpc64le}, @samp{rs64}, and @samp{native}.
+@samp{power9}, @samp{power10}, @samp{power11},
+@samp{powerpc}, @samp{powerpc64}, @samp{powerpc64le},
+@samp{rs64}, @samp{future}, and @samp{native}.
 
 @option{-mcpu=powerpc}, @option{-mcpu=powerpc64}, and
 @option{-mcpu=powerpc64le} specify pure 32-bit PowerPC (either
diff --git a/gcc/testsuite/gcc.target/powerpc/power11-1.c b/gcc/testsuite/gcc.target/powerpc/power11-1.c
new file mode 100644
index 00000000000..6a2e802eedf
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/power11-1.c
@@ -0,0 +1,13 @@
+/* { dg-do compile { target powerpc*-*-* } } */
+/* { dg-require-effective-target power11_ok } */
+/* { dg-options "-mdejagnu-cpu=power11 -O2" } */
+
+/* Basic check to see if the compiler supports -mcpu=power11.  */
+
+#ifndef _ARCH_PWR11
+#error "-mcpu=power11 is not supported"
+#endif
+
+void foo (void)
+{
+}
diff --git a/gcc/testsuite/gcc.target/powerpc/power11-2.c b/gcc/testsuite/gcc.target/powerpc/power11-2.c
new file mode 100644
index 00000000000..7b9904c1d29
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/power11-2.c
@@ -0,0 +1,20 @@
+/* { dg-do compile { target powerpc*-*-* } } */
+/* { dg-require-effective-target power11_ok } */
+/* { dg-options "-O2" } */
+
+/* Check if we can set the power11 target via a target attribute.  */
+
+__attribute__((__target__("cpu=power9")))
+void foo_p9 (void)
+{
+}
+
+__attribute__((__target__("cpu=power10")))
+void foo_p10 (void)
+{
+}
+
+__attribute__((__target__("cpu=power11")))
+void foo_p11 (void)
+{
+}
diff --git a/gcc/testsuite/gcc.target/powerpc/power11-3.c b/gcc/testsuite/gcc.target/powerpc/power11-3.c
new file mode 100644
index 00000000000..9b2d643cc0f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/power11-3.c
@@ -0,0 +1,10 @@
+/* { dg-do compile { target powerpc*-*-* } }  */
+/* { dg-require-effective-target power11_ok } */
+/* { dg-options "-mdejagnu-cpu=power8 -O2" }  */
+
+/* Check if we can set the power11 target via a target_clones attribute.  */
+
+__attribute__((__target_clones__("cpu=power11,cpu=power9,default")))
+void foo (void)
+{
+}
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index ae33c4f1e3a..f68e440c35e 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -7104,6 +7104,23 @@ proc check_effective_target_power10_ok { } {
     }
 }
 
+# Return 1 if this is a PowerPC target supporting -mcpu=power11.
+
+proc check_effective_target_power11_ok { } {
+    if { ([istarget powerpc*-*-*]) } {
+	return [check_no_compiler_messages power11_ok object {
+	    int main (void) {
+	        #ifndef _ARCH_PWR11
+		#error "-mcpu=power11 is not supported"
+		#endif
+		return 0;
+	    }
+	} "-mcpu=power11"]
+    } else {
+	return 0
+    }
+}
+
 # Return 1 if this is a PowerPC target supporting -mfloat128 via either
 # software emulation on power7/power8 systems or hardware support on power9.

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