[gcc r13-4022] arm: Add support for Cortex-X1C CPU.

[gcc r13-4022] arm: Add support for Cortex-X1C CPU.

[SRINATH PARVATHANENI]

https://gcc.gnu.org/g:23a121d495ea0d2c423afcc1305c23acc7379397

commit r13-4022-g23a121d495ea0d2c423afcc1305c23acc7379397
Author: Srinath Parvathaneni <srinath.parvathaneni@arm.com>
Date:   Mon Nov 14 15:45:59 2022 +0000

    arm: Add support for Cortex-X1C CPU.
    
    This patch adds the -mcpu support for the Arm Cortex-X1C CPU.
    
    gcc/ChangeLog:
    
    2022-11-09  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
    
            * config/arm/arm-cpus.in (cortex-x1c): Define new CPU.
            * config/arm/arm-tables.opt: Regenerate.
            * config/arm/arm-tune.md: Likewise.
            * doc/invoke.texi: Document Cortex-X1C CPU.
    
    gcc/testsuite/ChangeLog:
    
    2022-11-09  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
    
            * gcc.target/arm/multilib.exp: Add tests for Cortex-X1C.

Diff:
---
 gcc/config/arm/arm-cpus.in                | 11 +++++++++++
 gcc/config/arm/arm-tables.opt             |  3 +++
 gcc/config/arm/arm-tune.md                |  2 +-
 gcc/doc/invoke.texi                       |  2 +-
 gcc/testsuite/gcc.target/arm/multilib.exp |  3 +++
 5 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/gcc/config/arm/arm-cpus.in b/gcc/config/arm/arm-cpus.in
index 5a63bc548e5..5ed4db340bc 100644
--- a/gcc/config/arm/arm-cpus.in
+++ b/gcc/config/arm/arm-cpus.in
@@ -1542,6 +1542,17 @@ begin cpu cortex-x1
  part d44
 end cpu cortex-x1
 
+begin cpu cortex-x1c
+ cname cortexx1c
+ tune for cortex-a57
+ tune flags LDSCHED
+ architecture armv8.2-a+fp16+dotprod
+ option crypto add FP_ARMv8 CRYPTO
+ costs cortex_a57
+ vendor 41
+ part d4c
+end cpu cortex-x1c
+
 begin cpu neoverse-n1
  cname neoversen1
  alias !ares
diff --git a/gcc/config/arm/arm-tables.opt b/gcc/config/arm/arm-tables.opt
index e6461abcc57..a10a09e36cd 100644
--- a/gcc/config/arm/arm-tables.opt
+++ b/gcc/config/arm/arm-tables.opt
@@ -255,6 +255,9 @@ Enum(processor_type) String(cortex-a710) Value( TARGET_CPU_cortexa710)
 EnumValue
 Enum(processor_type) String(cortex-x1) Value( TARGET_CPU_cortexx1)
 
+EnumValue
+Enum(processor_type) String(cortex-x1c) Value( TARGET_CPU_cortexx1c)
+
 EnumValue
 Enum(processor_type) String(neoverse-n1) Value( TARGET_CPU_neoversen1)
 
diff --git a/gcc/config/arm/arm-tune.md b/gcc/config/arm/arm-tune.md
index abc290edd09..8af8c936abe 100644
--- a/gcc/config/arm/arm-tune.md
+++ b/gcc/config/arm/arm-tune.md
@@ -46,7 +46,7 @@
 	cortexa73cortexa53,cortexa55,cortexa75,
 	cortexa76,cortexa76ae,cortexa77,
 	cortexa78,cortexa78ae,cortexa78c,
-	cortexa710,cortexx1,neoversen1,
+	cortexa710,cortexx1,cortexx1c,neoversen1,
 	cortexa75cortexa55,cortexa76cortexa55,neoversev1,
 	neoversen2,cortexm23,cortexm33,
 	cortexm35p,cortexm55,starmc1,
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index e406136e893..e8ea71f3b98 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -21886,7 +21886,7 @@ Permissible names are: @samp{arm7tdmi}, @samp{arm7tdmi-s}, @samp{arm710t},
 @samp{cortex-r7}, @samp{cortex-r8}, @samp{cortex-r52}, @samp{cortex-r52plus},
 @samp{cortex-m0}, @samp{cortex-m0plus}, @samp{cortex-m1}, @samp{cortex-m3},
 @samp{cortex-m4}, @samp{cortex-m7}, @samp{cortex-m23}, @samp{cortex-m33},
-@samp{cortex-m35p}, @samp{cortex-m55}, @samp{cortex-x1},
+@samp{cortex-m35p}, @samp{cortex-m55}, @samp{cortex-x1}, @samp{cortex-x1c},
 @samp{cortex-m1.small-multiply}, @samp{cortex-m0.small-multiply},
 @samp{cortex-m0plus.small-multiply}, @samp{exynos-m1}, @samp{marvell-pj4},
 @samp{neoverse-n1}, @samp{neoverse-n2}, @samp{neoverse-v1}, @samp{xscale},
diff --git a/gcc/testsuite/gcc.target/arm/multilib.exp b/gcc/testsuite/gcc.target/arm/multilib.exp
index 2fa648c61da..f903f028a83 100644
--- a/gcc/testsuite/gcc.target/arm/multilib.exp
+++ b/gcc/testsuite/gcc.target/arm/multilib.exp
@@ -450,6 +450,9 @@ if {[multilib_config "aprofile"] } {
 	{-march=armv8-a -mfpu=crypto-neon-fp-armv8 -mfloat-abi=hard -mthumb} "thumb/v8-a+simd/hard"
 	{-march=armv7-a -mfpu=crypto-neon-fp-armv8 -mfloat-abi=softfp -mthumb} "thumb/v7-a+simd/softfp"
 	{-march=armv8-a -mfpu=crypto-neon-fp-armv8 -mfloat-abi=softfp -mthumb} "thumb/v8-a+simd/softfp"
+	{-mcpu=cortex-x1c -mfpu=auto -mfloat-abi=softfp -mthumb} "thumb/v8-a+simd/softfp"
+	{-mcpu=cortex-x1c -mfpu=auto -mfloat-abi=hard -mthumb} "thumb/v8-a+simd/hard"
+	{-mcpu=cortex-x1c -mfpu=auto -mfloat-abi=soft -mthumb} "thumb/v8-a/nofp"
     } {
 	check_multi_dir $opts $dir
     }