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* [gcc(refs/users/aoliva/heads/testme)] [rs6000] Correct match pattern in pr56605.c
@ 2023-03-24 6:25 Alexandre Oliva
0 siblings, 0 replies; 3+ messages in thread
From: Alexandre Oliva @ 2023-03-24 6:25 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:6a8c54e7d90e0e38f371f6b4f8ddf3200a92d12d
commit 6a8c54e7d90e0e38f371f6b4f8ddf3200a92d12d
Author: Haochen Gui <guihaoc@linux.ibm.com>
Date: Fri Mar 24 02:57:14 2023 -0300
[rs6000] Correct match pattern in pr56605.c
This patch corrects the match pattern in pr56605.c. The former pattern
is wrong and test case fails with GCC11. It should match following
insn on each subtarget after mode promotion is disabled. The patch
need to be backported to GCC11.
//gimple
_17 = (unsigned int) _20;
prolog_loop_niters.4_23 = _17 & 3;
//rtl
(insn 19 18 20 2 (parallel [
(set (reg:CC 208)
(compare:CC (and:SI (subreg:SI (reg:DI 207) 0)
(const_int 3 [0x3]))
(const_int 0 [0])))
(set (reg:SI 129 [ prolog_loop_niters.5 ])
(and:SI (subreg:SI (reg:DI 207) 0)
(const_int 3 [0x3])))
]) 197 {*andsi3_imm_mask_dot2}
for gcc/testsuite/ChangeLog
PR target/102146
* gcc.target/powerpc/pr56605.c: Correct match pattern in
combine pass.
Diff:
---
gcc/testsuite/gcc.target/powerpc/pr56605.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/gcc/testsuite/gcc.target/powerpc/pr56605.c b/gcc/testsuite/gcc.target/powerpc/pr56605.c
index 7695f87db6f..651a88e3cc7 100644
--- a/gcc/testsuite/gcc.target/powerpc/pr56605.c
+++ b/gcc/testsuite/gcc.target/powerpc/pr56605.c
@@ -11,5 +11,4 @@ void foo (short* __restrict sb, int* __restrict ia)
ia[i] = (int) sb[i];
}
-/* { dg-final { scan-rtl-dump-times {\(compare:CC \((?:and|zero_extend):(?:[SD]I) \((?:sub)?reg:[SD]I} 1 "combine" } } */
-
+/* { dg-final { scan-rtl-dump-times {\(compare:CC \(and:SI \(subreg:SI \(reg:DI} 1 "combine" } } */
^ permalink raw reply [flat|nested] 3+ messages in thread
* [gcc(refs/users/aoliva/heads/testme)] [rs6000] Correct match pattern in pr56605.c
@ 2023-03-30 14:08 Alexandre Oliva
0 siblings, 0 replies; 3+ messages in thread
From: Alexandre Oliva @ 2023-03-30 14:08 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:52214f08d1f6f9b0e14bcff43ab697daa98a1cd1
commit 52214f08d1f6f9b0e14bcff43ab697daa98a1cd1
Author: Haochen Gui <guihaoc@linux.ibm.com>
Date: Thu Mar 30 05:07:25 2023 -0300
[rs6000] Correct match pattern in pr56605.c
This patch corrects the match pattern in pr56605.c. The former pattern
is wrong and test case fails with GCC11. It should match following
insn on each subtarget after mode promotion is disabled. The patch
need to be backported to GCC11.
//gimple
_17 = (unsigned int) _20;
prolog_loop_niters.4_23 = _17 & 3;
//rtl
(insn 19 18 20 2 (parallel [
(set (reg:CC 208)
(compare:CC (and:SI (subreg:SI (reg:DI 207) 0)
(const_int 3 [0x3]))
(const_int 0 [0])))
(set (reg:SI 129 [ prolog_loop_niters.5 ])
(and:SI (subreg:SI (reg:DI 207) 0)
(const_int 3 [0x3])))
]) 197 {*andsi3_imm_mask_dot2}
for gcc/testsuite/ChangeLog
PR target/102146
* gcc.target/powerpc/pr56605.c: Correct match pattern in
combine pass.
Diff:
---
gcc/testsuite/gcc.target/powerpc/pr56605.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/gcc/testsuite/gcc.target/powerpc/pr56605.c b/gcc/testsuite/gcc.target/powerpc/pr56605.c
index 7695f87db6f..651a88e3cc7 100644
--- a/gcc/testsuite/gcc.target/powerpc/pr56605.c
+++ b/gcc/testsuite/gcc.target/powerpc/pr56605.c
@@ -11,5 +11,4 @@ void foo (short* __restrict sb, int* __restrict ia)
ia[i] = (int) sb[i];
}
-/* { dg-final { scan-rtl-dump-times {\(compare:CC \((?:and|zero_extend):(?:[SD]I) \((?:sub)?reg:[SD]I} 1 "combine" } } */
-
+/* { dg-final { scan-rtl-dump-times {\(compare:CC \(and:SI \(subreg:SI \(reg:DI} 1 "combine" } } */
^ permalink raw reply [flat|nested] 3+ messages in thread
* [gcc(refs/users/aoliva/heads/testme)] [rs6000] Correct match pattern in pr56605.c
@ 2023-03-25 14:53 Alexandre Oliva
0 siblings, 0 replies; 3+ messages in thread
From: Alexandre Oliva @ 2023-03-25 14:53 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:bb11304c7b2343f86e706b4f7136b9eb013ac305
commit bb11304c7b2343f86e706b4f7136b9eb013ac305
Author: Haochen Gui <guihaoc@linux.ibm.com>
Date: Fri Mar 24 02:57:14 2023 -0300
[rs6000] Correct match pattern in pr56605.c
This patch corrects the match pattern in pr56605.c. The former pattern
is wrong and test case fails with GCC11. It should match following
insn on each subtarget after mode promotion is disabled. The patch
need to be backported to GCC11.
//gimple
_17 = (unsigned int) _20;
prolog_loop_niters.4_23 = _17 & 3;
//rtl
(insn 19 18 20 2 (parallel [
(set (reg:CC 208)
(compare:CC (and:SI (subreg:SI (reg:DI 207) 0)
(const_int 3 [0x3]))
(const_int 0 [0])))
(set (reg:SI 129 [ prolog_loop_niters.5 ])
(and:SI (subreg:SI (reg:DI 207) 0)
(const_int 3 [0x3])))
]) 197 {*andsi3_imm_mask_dot2}
for gcc/testsuite/ChangeLog
PR target/102146
* gcc.target/powerpc/pr56605.c: Correct match pattern in
combine pass.
Diff:
---
gcc/testsuite/gcc.target/powerpc/pr56605.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/gcc/testsuite/gcc.target/powerpc/pr56605.c b/gcc/testsuite/gcc.target/powerpc/pr56605.c
index 7695f87db6f..651a88e3cc7 100644
--- a/gcc/testsuite/gcc.target/powerpc/pr56605.c
+++ b/gcc/testsuite/gcc.target/powerpc/pr56605.c
@@ -11,5 +11,4 @@ void foo (short* __restrict sb, int* __restrict ia)
ia[i] = (int) sb[i];
}
-/* { dg-final { scan-rtl-dump-times {\(compare:CC \((?:and|zero_extend):(?:[SD]I) \((?:sub)?reg:[SD]I} 1 "combine" } } */
-
+/* { dg-final { scan-rtl-dump-times {\(compare:CC \(and:SI \(subreg:SI \(reg:DI} 1 "combine" } } */
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2023-03-30 14:08 UTC | newest]
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2023-03-24 6:25 [gcc(refs/users/aoliva/heads/testme)] [rs6000] Correct match pattern in pr56605.c Alexandre Oliva
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2023-03-30 14:08 Alexandre Oliva
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