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* [gcc r14-8461] RISC-V/testsuite: Add RTL cset-sext.c testcase variants
@ 2024-01-26 21:48 Maciej W. Rozycki
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From: Maciej W. Rozycki @ 2024-01-26 21:48 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:5a874dec6006357cca4e5f10a1c399157b96b837
commit r14-8461-g5a874dec6006357cca4e5f10a1c399157b96b837
Author: Maciej W. Rozycki <macro@embecosm.com>
Date: Fri Jan 26 21:47:40 2024 +0000
RISC-V/testsuite: Add RTL cset-sext.c testcase variants
Add RTL tests, for RV64 and RV32 where appropriate, corresponding to the
existing cset-sext.c tests. They have been produced from RTL code as at
the entry of the "ce1" pass for the respective cset-sext.c tests built
at -O3.
gcc/testsuite/
* gcc.target/riscv/cset-sext-rtl.c: New file.
* gcc.target/riscv/cset-sext-rtl32.c: New file.
* gcc.target/riscv/cset-sext-sfb-rtl.c: New file.
* gcc.target/riscv/cset-sext-sfb-rtl32.c: New file.
* gcc.target/riscv/cset-sext-thead-rtl.c: New file.
* gcc.target/riscv/cset-sext-ventana-rtl.c: New file.
* gcc.target/riscv/cset-sext-zicond-rtl.c: New file.
* gcc.target/riscv/cset-sext-zicond-rtl32.c: New file.
Diff:
---
gcc/testsuite/gcc.target/riscv/cset-sext-rtl.c | 87 +++++++++++++++++++++
gcc/testsuite/gcc.target/riscv/cset-sext-rtl32.c | 84 +++++++++++++++++++++
gcc/testsuite/gcc.target/riscv/cset-sext-sfb-rtl.c | 88 ++++++++++++++++++++++
.../gcc.target/riscv/cset-sext-sfb-rtl32.c | 85 +++++++++++++++++++++
.../gcc.target/riscv/cset-sext-thead-rtl.c | 86 +++++++++++++++++++++
.../gcc.target/riscv/cset-sext-ventana-rtl.c | 86 +++++++++++++++++++++
.../gcc.target/riscv/cset-sext-zicond-rtl.c | 86 +++++++++++++++++++++
.../gcc.target/riscv/cset-sext-zicond-rtl32.c | 83 ++++++++++++++++++++
8 files changed, 685 insertions(+)
diff --git a/gcc/testsuite/gcc.target/riscv/cset-sext-rtl.c b/gcc/testsuite/gcc.target/riscv/cset-sext-rtl.c
new file mode 100644
index 000000000000..e3611cc3b164
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/cset-sext-rtl.c
@@ -0,0 +1,87 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target rv64 } */
+/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-Os" "-Oz" "-flto" } } */
+/* { dg-options "-march=rv64gc -mtune=sifive-5-series -mbranch-cost=6 -mmovcc -fdump-rtl-ce1" } */
+
+int __RTL (startwith ("ce1"))
+foo (long a, long b)
+{
+(function "foo"
+ (param "a"
+ (DECL_RTL (reg/v:DI <2> [ a ]))
+ (DECL_RTL_INCOMING (reg:DI a0 [ a ])))
+ (param "b"
+ (DECL_RTL (reg/v:DI <3> [ b ]))
+ (DECL_RTL_INCOMING (reg:DI a1 [ b ])))
+ (insn-chain
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 6 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 2 (set (reg/v:DI <2> [ a ])
+ (reg:DI a0 [ a ])) "cset-sext.c":8:1
+ (expr_list:REG_DEAD (reg:DI a0 [ a ])))
+ (cinsn 3 (set (reg/v:DI <3> [ b ])
+ (reg:DI a1 [ b ])) "cset-sext.c":8:1
+ (expr_list:REG_DEAD (reg:DI a1 [ b ])))
+ (cnote 4 NOTE_INSN_FUNCTION_BEG)
+ (cjump_insn 8 (set (pc)
+ (if_then_else (eq (reg/v:DI <3> [ b ])
+ (const_int 0))
+ (label_ref:DI 24)
+ (pc))) "cset-sext.c":9:6
+ (expr_list:REG_DEAD (reg/v:DI <3> [ b ])
+ (int_list:REG_BR_PROB 365072228)))
+ (edge-to 4)
+ (edge-to 3 (flags "FALLTHRU"))
+ ) ;; block 2
+ (block 3
+ (edge-from 2 (flags "FALLTHRU"))
+ (cnote 9 [bb 3] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 10 (set (reg:SI <5>)
+ (ne:SI (reg/v:DI <2> [ a ])
+ (const_int 0))) "cset-sext.c":11:11
+ (expr_list:REG_DEAD (reg/v:DI <2> [ a ])))
+ (cinsn 11 (set (reg:DI <1> [ <retval> ])
+ (sign_extend:DI (reg:SI <5>))) "cset-sext.c":11:11
+ (expr_list:REG_DEAD (reg:SI <5>)))
+ (edge-to 5 (flags "FALLTHRU"))
+ ) ;; block 3
+ (block 4
+ (edge-from 2)
+ (clabel 24 3)
+ (cnote 23 [bb 4] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 5 (set (reg:DI <1> [ <retval> ])
+ (const_int 0)) "cset-sext.c":10:12)
+ (edge-to 5 (flags "FALLTHRU"))
+ ) ;; block 4
+ (block 5
+ (edge-from 4 (flags "FALLTHRU"))
+ (edge-from 3 (flags "FALLTHRU"))
+ (clabel 12 2)
+ (cnote 13 [bb 5] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 18 (set (reg/i:DI a0)
+ (reg:DI <1> [ <retval> ])) "cset-sext.c":15:1
+ (expr_list:REG_DEAD (reg:DI <1> [ <retval> ])))
+ (cinsn 19 (use (reg/i:DI a0)) "cset-sext.c":15:1)
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 5
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:DI a0)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "foo"
+}
+
+/* Expect branchless assembly like:
+
+ snez a1,a1
+ neg a1,a1
+ snez a0,a0
+ and a0,a1,a0
+ */
+
+/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove_arith" 1 "ce1" } } */
+/* { dg-final { scan-assembler-times "\\ssnez\\s" 2 } } */
+/* { dg-final { scan-assembler-not "\\s(?:beq|bne)\\s" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/cset-sext-rtl32.c b/gcc/testsuite/gcc.target/riscv/cset-sext-rtl32.c
new file mode 100644
index 000000000000..640576a7cccc
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/cset-sext-rtl32.c
@@ -0,0 +1,84 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target rv32 } */
+/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-Os" "-Oz" "-flto" } } */
+/* { dg-options "-march=rv32gc -mtune=sifive-5-series -mbranch-cost=6 -mmovcc -fdump-rtl-ce1" } */
+
+int __RTL (startwith ("ce1"))
+foo (long a, long b)
+{
+(function "foo"
+ (param "a"
+ (DECL_RTL (reg/v:SI <2> [ a ]))
+ (DECL_RTL_INCOMING (reg:SI a0 [ a ])))
+ (param "b"
+ (DECL_RTL (reg/v:SI <3> [ b ]))
+ (DECL_RTL_INCOMING (reg:SI a1 [ b ])))
+ (insn-chain
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 6 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 2 (set (reg/v:SI <2> [ a ])
+ (reg:SI a0 [ a ])) "cset-sext.c":8:1
+ (expr_list:REG_DEAD (reg:SI a0 [ a ])))
+ (cinsn 3 (set (reg/v:SI <3> [ b ])
+ (reg:SI a1 [ b ])) "cset-sext.c":8:1
+ (expr_list:REG_DEAD (reg:SI a1 [ b ])))
+ (cnote 4 NOTE_INSN_FUNCTION_BEG)
+ (cjump_insn 8 (set (pc)
+ (if_then_else (eq (reg/v:SI <3> [ b ])
+ (const_int 0))
+ (label_ref:SI 23)
+ (pc))) "cset-sext.c":9:6
+ (int_list:REG_BR_PROB 365072228))
+ (edge-to 4)
+ (edge-to 3 (flags "FALLTHRU"))
+ ) ;; block 2
+ (block 3
+ (edge-from 2 (flags "FALLTHRU"))
+ (cnote 9 [bb 3] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 10 (set (reg:SI <1> [ <retval> ])
+ (ne:SI (reg/v:SI <2> [ a ])
+ (const_int 0))) "cset-sext.c":11:11
+ (expr_list:REG_DEAD (reg/v:SI <2> [ a ])))
+ (edge-to 5 (flags "FALLTHRU"))
+ ) ;; block 3
+ (block 4
+ (edge-from 2)
+ (clabel 23 3)
+ (cnote 22 [bb 4] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 5 (set (reg:SI <1> [ <retval> ])
+ (const_int 0)) "cset-sext.c":10:12
+ (expr_list:REG_DEAD (reg/v:SI <3> [ b ])))
+ (edge-to 5 (flags "FALLTHRU"))
+ ) ;; block 4
+ (block 5
+ (edge-from 4 (flags "FALLTHRU"))
+ (edge-from 3 (flags "FALLTHRU"))
+ (clabel 16 1)
+ (cnote 19 [bb 5] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 17 (set (reg/i:SI a0)
+ (reg:SI <1> [ <retval> ])) "cset-sext.c":15:1
+ (expr_list:REG_DEAD (reg:SI <1> [ <retval> ])))
+ (cinsn 18 (use (reg/i:SI a0)) "cset-sext.c":15:1)
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 5
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:SI a0)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "foo"
+}
+
+/* Expect branchless assembly like:
+
+ snez a1,a1
+ neg a1,a1
+ snez a0,a0
+ and a0,a1,a0
+ */
+
+/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove_arith" 1 "ce1" } } */
+/* { dg-final { scan-assembler-times "\\ssnez\\s" 2 } } */
+/* { dg-final { scan-assembler-not "\\s(?:beq|bne)\\s" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/cset-sext-sfb-rtl.c b/gcc/testsuite/gcc.target/riscv/cset-sext-sfb-rtl.c
new file mode 100644
index 000000000000..93baa38d22f6
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/cset-sext-sfb-rtl.c
@@ -0,0 +1,88 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target rv64 } */
+/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-flto" } } */
+/* { dg-options "-march=rv64gc -mtune=sifive-7-series -mbranch-cost=1 -fdump-rtl-ce1" } */
+
+int __RTL (startwith ("ce1"))
+foo (long a, long b)
+{
+(function "foo"
+ (param "a"
+ (DECL_RTL (reg/v:DI <2> [ a ]))
+ (DECL_RTL_INCOMING (reg:DI a0 [ a ])))
+ (param "b"
+ (DECL_RTL (reg/v:DI <3> [ b ]))
+ (DECL_RTL_INCOMING (reg:DI a1 [ b ])))
+ (insn-chain
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 6 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 2 (set (reg/v:DI <2> [ a ])
+ (reg:DI a0 [ a ])) "cset-sext-sfb.c":8:1
+ (expr_list:REG_DEAD (reg:DI a0 [ a ])))
+ (cinsn 3 (set (reg/v:DI <3> [ b ])
+ (reg:DI a1 [ b ])) "cset-sext-sfb.c":8:1
+ (expr_list:REG_DEAD (reg:DI a1 [ b ])))
+ (cnote 4 NOTE_INSN_FUNCTION_BEG)
+ (cjump_insn 8 (set (pc)
+ (if_then_else (eq (reg/v:DI <3> [ b ])
+ (const_int 0))
+ (label_ref:DI 24)
+ (pc))) "cset-sext-sfb.c":9:6
+ (expr_list:REG_DEAD (reg/v:DI <3> [ b ])
+ (int_list:REG_BR_PROB 365072228)))
+ (edge-to 4)
+ (edge-to 3 (flags "FALLTHRU"))
+ ) ;; block 2
+ (block 3
+ (edge-from 2 (flags "FALLTHRU"))
+ (cnote 9 [bb 3] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 10 (set (reg:SI <5>)
+ (ne:SI (reg/v:DI <2> [ a ])
+ (const_int 0))) "cset-sext-sfb.c":11:11
+ (expr_list:REG_DEAD (reg/v:DI <2> [ a ])))
+ (cinsn 11 (set (reg:DI <1> [ <retval> ])
+ (sign_extend:DI (reg:SI <5>))) "cset-sext-sfb.c":11:11
+ (expr_list:REG_DEAD (reg:SI <5>)))
+ (edge-to 5 (flags "FALLTHRU"))
+ ) ;; block 3
+ (block 4
+ (edge-from 2)
+ (clabel 24 3)
+ (cnote 23 [bb 4] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 5 (set (reg:DI <1> [ <retval> ])
+ (const_int 0)) "cset-sext-sfb.c":10:12)
+ (edge-to 5 (flags "FALLTHRU"))
+ ) ;; block 4
+ (block 5
+ (edge-from 4 (flags "FALLTHRU"))
+ (edge-from 3 (flags "FALLTHRU"))
+ (clabel 12 2)
+ (cnote 13 [bb 5] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 18 (set (reg/i:DI a0)
+ (reg:DI <1> [ <retval> ])) "cset-sext-sfb.c":15:1
+ (expr_list:REG_DEAD (reg:DI <1> [ <retval> ])))
+ (cinsn 19 (use (reg/i:DI a0)) "cset-sext-sfb.c":15:1)
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 5
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:DI a0)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "foo"
+}
+
+/* Expect short forward branch assembly like:
+
+ snez a0,a0
+ bne a1,zero,1f # movcc
+ mv a0,zero
+1:
+ */
+
+/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove_arith" 1 "ce1" } } */
+/* { dg-final { scan-assembler-times "\\ssnez\\s" 1 } } */
+/* { dg-final { scan-assembler-times "\\sbne\\s\[^\\s\]+\\s# movcc\\s" 1 } } */
+/* { dg-final { scan-assembler-not "\\sbeq\\s" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/cset-sext-sfb-rtl32.c b/gcc/testsuite/gcc.target/riscv/cset-sext-sfb-rtl32.c
new file mode 100644
index 000000000000..16b702b85cd7
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/cset-sext-sfb-rtl32.c
@@ -0,0 +1,85 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target rv32 } */
+/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-flto" } } */
+/* { dg-options "-march=rv32gc -mtune=sifive-7-series -mbranch-cost=1 -fdump-rtl-ce1" } */
+
+int __RTL (startwith ("ce1"))
+foo (long a, long b)
+{
+(function "foo"
+ (param "a"
+ (DECL_RTL (reg/v:SI <2> [ a ]))
+ (DECL_RTL_INCOMING (reg:SI a0 [ a ])))
+ (param "b"
+ (DECL_RTL (reg/v:SI <3> [ b ]))
+ (DECL_RTL_INCOMING (reg:SI a1 [ b ])))
+ (insn-chain
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 6 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 2 (set (reg/v:SI <2> [ a ])
+ (reg:SI a0 [ a ])) "cset-sext-sfb.c":8:1
+ (expr_list:REG_DEAD (reg:SI a0 [ a ])))
+ (cinsn 3 (set (reg/v:SI <3> [ b ])
+ (reg:SI a1 [ b ])) "cset-sext-sfb.c":8:1
+ (expr_list:REG_DEAD (reg:SI a1 [ b ])))
+ (cnote 4 NOTE_INSN_FUNCTION_BEG)
+ (cjump_insn 8 (set (pc)
+ (if_then_else (eq (reg/v:SI <3> [ b ])
+ (const_int 0))
+ (label_ref:SI 23)
+ (pc))) "cset-sext-sfb.c":9:6
+ (int_list:REG_BR_PROB 365072228))
+ (edge-to 4)
+ (edge-to 3 (flags "FALLTHRU"))
+ ) ;; block 2
+ (block 3
+ (edge-from 2 (flags "FALLTHRU"))
+ (cnote 9 [bb 3] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 10 (set (reg:SI <1> [ <retval> ])
+ (ne:SI (reg/v:SI <2> [ a ])
+ (const_int 0))) "cset-sext-sfb.c":11:11
+ (expr_list:REG_DEAD (reg/v:SI <2> [ a ])))
+ (edge-to 5 (flags "FALLTHRU"))
+ ) ;; block 3
+ (block 4
+ (edge-from 2)
+ (clabel 23 3)
+ (cnote 22 [bb 4] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 5 (set (reg:SI <1> [ <retval> ])
+ (const_int 0)) "cset-sext-sfb.c":10:12
+ (expr_list:REG_DEAD (reg/v:SI <3> [ b ])))
+ (edge-to 5 (flags "FALLTHRU"))
+ ) ;; block 4
+ (block 5
+ (edge-from 4 (flags "FALLTHRU"))
+ (edge-from 3 (flags "FALLTHRU"))
+ (clabel 16 1)
+ (cnote 19 [bb 5] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 17 (set (reg/i:SI a0)
+ (reg:SI <1> [ <retval> ])) "cset-sext-sfb.c":15:1
+ (expr_list:REG_DEAD (reg:SI <1> [ <retval> ])))
+ (cinsn 18 (use (reg/i:SI a0)) "cset-sext-sfb.c":15:1)
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 5
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:SI a0)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "foo"
+}
+
+/* Expect short forward branch assembly like:
+
+ snez a0,a0
+ bne a1,zero,1f # movcc
+ mv a0,zero
+1:
+ */
+
+/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove_arith" 1 "ce1" } } */
+/* { dg-final { scan-assembler-times "\\ssnez\\s" 1 } } */
+/* { dg-final { scan-assembler-times "\\sbne\\s\[^\\s\]+\\s# movcc\\s" 1 } } */
+/* { dg-final { scan-assembler-not "\\sbeq\\s" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/cset-sext-thead-rtl.c b/gcc/testsuite/gcc.target/riscv/cset-sext-thead-rtl.c
new file mode 100644
index 000000000000..9671796eec61
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/cset-sext-thead-rtl.c
@@ -0,0 +1,86 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target rv64 } */
+/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-flto" } } */
+/* { dg-options "-march=rv64gc_xtheadcondmov -mtune=thead-c906 -mbranch-cost=1 -fdump-rtl-ce1" } */
+
+int __RTL (startwith ("ce1"))
+foo (long a, long b)
+{
+(function "foo"
+ (param "a"
+ (DECL_RTL (reg/v:DI <2> [ a ]))
+ (DECL_RTL_INCOMING (reg:DI a0 [ a ])))
+ (param "b"
+ (DECL_RTL (reg/v:DI <3> [ b ]))
+ (DECL_RTL_INCOMING (reg:DI a1 [ b ])))
+ (insn-chain
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 6 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 2 (set (reg/v:DI <2> [ a ])
+ (reg:DI a0 [ a ])) "cset-sext-thead.c":8:1
+ (expr_list:REG_DEAD (reg:DI a0 [ a ])))
+ (cinsn 3 (set (reg/v:DI <3> [ b ])
+ (reg:DI a1 [ b ])) "cset-sext-thead.c":8:1
+ (expr_list:REG_DEAD (reg:DI a1 [ b ])))
+ (cnote 4 NOTE_INSN_FUNCTION_BEG)
+ (cjump_insn 8 (set (pc)
+ (if_then_else (eq (reg/v:DI <3> [ b ])
+ (const_int 0))
+ (label_ref:DI 24)
+ (pc))) "cset-sext-thead.c":9:6
+ (expr_list:REG_DEAD (reg/v:DI <3> [ b ])
+ (int_list:REG_BR_PROB 365072228)))
+ (edge-to 4)
+ (edge-to 3 (flags "FALLTHRU"))
+ ) ;; block 2
+ (block 3
+ (edge-from 2 (flags "FALLTHRU"))
+ (cnote 9 [bb 3] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 10 (set (reg:SI <5>)
+ (ne:SI (reg/v:DI <2> [ a ])
+ (const_int 0))) "cset-sext-thead.c":11:11
+ (expr_list:REG_DEAD (reg/v:DI <2> [ a ])))
+ (cinsn 11 (set (reg:DI <1> [ <retval> ])
+ (sign_extend:DI (reg:SI <5>))) "cset-sext-thead.c":11:11
+ (expr_list:REG_DEAD (reg:SI <5>)))
+ (edge-to 5 (flags "FALLTHRU"))
+ ) ;; block 3
+ (block 4
+ (edge-from 2)
+ (clabel 24 3)
+ (cnote 23 [bb 4] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 5 (set (reg:DI <1> [ <retval> ])
+ (const_int 0)) "cset-sext-thead.c":10:12)
+ (edge-to 5 (flags "FALLTHRU"))
+ ) ;; block 4
+ (block 5
+ (edge-from 4 (flags "FALLTHRU"))
+ (edge-from 3 (flags "FALLTHRU"))
+ (clabel 12 2)
+ (cnote 13 [bb 5] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 18 (set (reg/i:DI a0)
+ (reg:DI <1> [ <retval> ])) "cset-sext-thead.c":15:1
+ (expr_list:REG_DEAD (reg:DI <1> [ <retval> ])))
+ (cinsn 19 (use (reg/i:DI a0)) "cset-sext-thead.c":15:1)
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 5
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:DI a0)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "foo"
+}
+
+/* Expect branchless assembly like:
+
+ snez a0,a0
+ th.mveqz a0,zero,a1
+ */
+
+/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove_arith" 1 "ce1" } } */
+/* { dg-final { scan-assembler-times "\\ssnez\\s" 1 } } */
+/* { dg-final { scan-assembler-times "\\s(?:th\\.mveqz|th\\.mvnez)\\s" 1 } } */
+/* { dg-final { scan-assembler-not "\\s(?:beq|bne)\\s" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/cset-sext-ventana-rtl.c b/gcc/testsuite/gcc.target/riscv/cset-sext-ventana-rtl.c
new file mode 100644
index 000000000000..6436725c05b1
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/cset-sext-ventana-rtl.c
@@ -0,0 +1,86 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target rv64 } */
+/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-flto" } } */
+/* { dg-options "-march=rv64gc_xventanacondops -mtune=rocket -mbranch-cost=3 -fdump-rtl-ce1" } */
+
+int __RTL (startwith ("ce1"))
+foo (long a, long b)
+{
+(function "foo"
+ (param "a"
+ (DECL_RTL (reg/v:DI <2> [ a ]))
+ (DECL_RTL_INCOMING (reg:DI a0 [ a ])))
+ (param "b"
+ (DECL_RTL (reg/v:DI <3> [ b ]))
+ (DECL_RTL_INCOMING (reg:DI a1 [ b ])))
+ (insn-chain
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 6 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 2 (set (reg/v:DI <2> [ a ])
+ (reg:DI a0 [ a ])) "cset-sext-ventana.c":8:1
+ (expr_list:REG_DEAD (reg:DI a0 [ a ])))
+ (cinsn 3 (set (reg/v:DI <3> [ b ])
+ (reg:DI a1 [ b ])) "cset-sext-ventana.c":8:1
+ (expr_list:REG_DEAD (reg:DI a1 [ b ])))
+ (cnote 4 NOTE_INSN_FUNCTION_BEG)
+ (cjump_insn 8 (set (pc)
+ (if_then_else (eq (reg/v:DI <3> [ b ])
+ (const_int 0))
+ (label_ref:DI 24)
+ (pc))) "cset-sext-ventana.c":9:6
+ (expr_list:REG_DEAD (reg/v:DI <3> [ b ])
+ (int_list:REG_BR_PROB 365072228)))
+ (edge-to 4)
+ (edge-to 3 (flags "FALLTHRU"))
+ ) ;; block 2
+ (block 3
+ (edge-from 2 (flags "FALLTHRU"))
+ (cnote 9 [bb 3] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 10 (set (reg:SI <5>)
+ (ne:SI (reg/v:DI <2> [ a ])
+ (const_int 0))) "cset-sext-ventana.c":11:11
+ (expr_list:REG_DEAD (reg/v:DI <2> [ a ])))
+ (cinsn 11 (set (reg:DI <1> [ <retval> ])
+ (sign_extend:DI (reg:SI <5>))) "cset-sext-ventana.c":11:11
+ (expr_list:REG_DEAD (reg:SI <5>)))
+ (edge-to 5 (flags "FALLTHRU"))
+ ) ;; block 3
+ (block 4
+ (edge-from 2)
+ (clabel 24 3)
+ (cnote 23 [bb 4] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 5 (set (reg:DI <1> [ <retval> ])
+ (const_int 0)) "cset-sext-ventana.c":10:12)
+ (edge-to 5 (flags "FALLTHRU"))
+ ) ;; block 4
+ (block 5
+ (edge-from 4 (flags "FALLTHRU"))
+ (edge-from 3 (flags "FALLTHRU"))
+ (clabel 12 2)
+ (cnote 13 [bb 5] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 18 (set (reg/i:DI a0)
+ (reg:DI <1> [ <retval> ])) "cset-sext-ventana.c":15:1
+ (expr_list:REG_DEAD (reg:DI <1> [ <retval> ])))
+ (cinsn 19 (use (reg/i:DI a0)) "cset-sext-ventana.c":15:1)
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 5
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:DI a0)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "foo"
+}
+
+/* Expect branchless assembly like:
+
+ snez a0,a0
+ vt.maskc a0,a0,a1
+ */
+
+/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove_arith" 1 "ce1" } } */
+/* { dg-final { scan-assembler-times "\\ssnez\\s" 1 } } */
+/* { dg-final { scan-assembler-times "\\svt\\.maskc\\s" 1 } } */
+/* { dg-final { scan-assembler-not "\\s(?:beq|bne)\\s" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/cset-sext-zicond-rtl.c b/gcc/testsuite/gcc.target/riscv/cset-sext-zicond-rtl.c
new file mode 100644
index 000000000000..f6c82d5a5d05
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/cset-sext-zicond-rtl.c
@@ -0,0 +1,86 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target rv64 } */
+/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-flto" } } */
+/* { dg-options "-march=rv64gc_zicond -mtune=rocket -mbranch-cost=3 -fdump-rtl-ce1" } */
+
+int __RTL (startwith ("ce1"))
+foo (long a, long b)
+{
+(function "foo"
+ (param "a"
+ (DECL_RTL (reg/v:DI <2> [ a ]))
+ (DECL_RTL_INCOMING (reg:DI a0 [ a ])))
+ (param "b"
+ (DECL_RTL (reg/v:DI <3> [ b ]))
+ (DECL_RTL_INCOMING (reg:DI a1 [ b ])))
+ (insn-chain
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 6 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 2 (set (reg/v:DI <2> [ a ])
+ (reg:DI a0 [ a ])) "cset-sext-zicond.c":8:1
+ (expr_list:REG_DEAD (reg:DI a0 [ a ])))
+ (cinsn 3 (set (reg/v:DI <3> [ b ])
+ (reg:DI a1 [ b ])) "cset-sext-zicond.c":8:1
+ (expr_list:REG_DEAD (reg:DI a1 [ b ])))
+ (cnote 4 NOTE_INSN_FUNCTION_BEG)
+ (cjump_insn 8 (set (pc)
+ (if_then_else (eq (reg/v:DI <3> [ b ])
+ (const_int 0))
+ (label_ref:DI 24)
+ (pc))) "cset-sext-zicond.c":9:6
+ (expr_list:REG_DEAD (reg/v:DI <3> [ b ])
+ (int_list:REG_BR_PROB 365072228)))
+ (edge-to 4)
+ (edge-to 3 (flags "FALLTHRU"))
+ ) ;; block 2
+ (block 3
+ (edge-from 2 (flags "FALLTHRU"))
+ (cnote 9 [bb 3] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 10 (set (reg:SI <5>)
+ (ne:SI (reg/v:DI <2> [ a ])
+ (const_int 0))) "cset-sext-zicond.c":11:11
+ (expr_list:REG_DEAD (reg/v:DI <2> [ a ])))
+ (cinsn 11 (set (reg:DI <1> [ <retval> ])
+ (sign_extend:DI (reg:SI <5>))) "cset-sext-zicond.c":11:11
+ (expr_list:REG_DEAD (reg:SI <5>)))
+ (edge-to 5 (flags "FALLTHRU"))
+ ) ;; block 3
+ (block 4
+ (edge-from 2)
+ (clabel 24 3)
+ (cnote 23 [bb 4] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 5 (set (reg:DI <1> [ <retval> ])
+ (const_int 0)) "cset-sext-zicond.c":10:12)
+ (edge-to 5 (flags "FALLTHRU"))
+ ) ;; block 4
+ (block 5
+ (edge-from 4 (flags "FALLTHRU"))
+ (edge-from 3 (flags "FALLTHRU"))
+ (clabel 12 2)
+ (cnote 13 [bb 5] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 18 (set (reg/i:DI a0)
+ (reg:DI <1> [ <retval> ])) "cset-sext-zicond.c":15:1
+ (expr_list:REG_DEAD (reg:DI <1> [ <retval> ])))
+ (cinsn 19 (use (reg/i:DI a0)) "cset-sext-zicond.c":15:1)
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 5
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:DI a0)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "foo"
+}
+
+/* Expect branchless assembly like:
+
+ snez a0,a0
+ czero.eqz a0,a0,a1
+ */
+
+/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove_arith" 1 "ce1" } } */
+/* { dg-final { scan-assembler-times "\\ssnez\\s" 1 } } */
+/* { dg-final { scan-assembler-times "\\sczero\\.eqz\\s" 1 } } */
+/* { dg-final { scan-assembler-not "\\s(?:beq|bne)\\s" } } */
diff --git a/gcc/testsuite/gcc.target/riscv/cset-sext-zicond-rtl32.c b/gcc/testsuite/gcc.target/riscv/cset-sext-zicond-rtl32.c
new file mode 100644
index 000000000000..6896df3d5a95
--- /dev/null
+++ b/gcc/testsuite/gcc.target/riscv/cset-sext-zicond-rtl32.c
@@ -0,0 +1,83 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target rv32 } */
+/* { dg-skip-if "" { *-*-* } { "-O0" "-Og" "-flto" } } */
+/* { dg-options "-march=rv32gc_zicond -mtune=rocket -mbranch-cost=3 -fdump-rtl-ce1" } */
+
+int __RTL (startwith ("ce1"))
+foo (long a, long b)
+{
+(function "foo"
+ (param "a"
+ (DECL_RTL (reg/v:SI <2> [ a ]))
+ (DECL_RTL_INCOMING (reg:SI a0 [ a ])))
+ (param "b"
+ (DECL_RTL (reg/v:SI <3> [ b ]))
+ (DECL_RTL_INCOMING (reg:SI a1 [ b ])))
+ (insn-chain
+ (block 2
+ (edge-from entry (flags "FALLTHRU"))
+ (cnote 6 [bb 2] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 2 (set (reg/v:SI <2> [ a ])
+ (reg:SI a0 [ a ])) "cset-sext-zicond.c":8:1
+ (expr_list:REG_DEAD (reg:SI a0 [ a ])))
+ (cinsn 3 (set (reg/v:SI <3> [ b ])
+ (reg:SI a1 [ b ])) "cset-sext-zicond.c":8:1
+ (expr_list:REG_DEAD (reg:SI a1 [ b ])))
+ (cnote 4 NOTE_INSN_FUNCTION_BEG)
+ (cjump_insn 8 (set (pc)
+ (if_then_else (eq (reg/v:SI <3> [ b ])
+ (const_int 0))
+ (label_ref:SI 23)
+ (pc))) "cset-sext-zicond.c":9:6
+ (int_list:REG_BR_PROB 365072228))
+ (edge-to 4)
+ (edge-to 3 (flags "FALLTHRU"))
+ ) ;; block 2
+ (block 3
+ (edge-from 2 (flags "FALLTHRU"))
+ (cnote 9 [bb 3] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 10 (set (reg:SI <1> [ <retval> ])
+ (ne:SI (reg/v:SI <2> [ a ])
+ (const_int 0))) "cset-sext-zicond.c":11:11
+ (expr_list:REG_DEAD (reg/v:SI <2> [ a ])))
+ (edge-to 5 (flags "FALLTHRU"))
+ ) ;; block 3
+ (block 4
+ (edge-from 2)
+ (clabel 23 3)
+ (cnote 22 [bb 4] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 5 (set (reg:SI <1> [ <retval> ])
+ (const_int 0)) "cset-sext-zicond.c":10:12
+ (expr_list:REG_DEAD (reg/v:SI <3> [ b ])))
+ (edge-to 5 (flags "FALLTHRU"))
+ ) ;; block 4
+ (block 5
+ (edge-from 4 (flags "FALLTHRU"))
+ (edge-from 3 (flags "FALLTHRU"))
+ (clabel 16 1)
+ (cnote 19 [bb 5] NOTE_INSN_BASIC_BLOCK)
+ (cinsn 17 (set (reg/i:SI a0)
+ (reg:SI <1> [ <retval> ])) "cset-sext-zicond.c":15:1
+ (expr_list:REG_DEAD (reg:SI <1> [ <retval> ])))
+ (cinsn 18 (use (reg/i:SI a0)) "cset-sext-zicond.c":15:1)
+ (edge-to exit (flags "FALLTHRU"))
+ ) ;; block 5
+ ) ;; insn-chain
+ (crtl
+ (return_rtx
+ (reg/i:SI a0)
+ ) ;; return_rtx
+ ) ;; crtl
+) ;; function "foo"
+}
+
+/* Expect branchless assembly like:
+
+ snez a0,a0
+ czero.eqz a0,a0,a1
+ */
+
+/* { dg-final { scan-rtl-dump-times "if-conversion succeeded through noce_try_cmove_arith" 1 "ce1" } } */
+/* { dg-final { scan-assembler-times "\\ssnez\\s" 1 } } */
+/* { dg-final { scan-assembler-times "\\sczero\\.eqz\\s" 1 } } */
+/* { dg-final { scan-assembler-not "\\s(?:beq|bne)\\s" } } */
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2024-01-26 21:48 [gcc r14-8461] RISC-V/testsuite: Add RTL cset-sext.c testcase variants Maciej W. Rozycki
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