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* [gcc r12-2417] PR 100167: Fix vector long long multiply/divide tests on power10.
@ 2021-07-20 16:57 Michael Meissner
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From: Michael Meissner @ 2021-07-20 16:57 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:7fcb33455c9dc9359d98cd6bffe7f32f282ed713
commit r12-2417-g7fcb33455c9dc9359d98cd6bffe7f32f282ed713
Author: Michael Meissner <meissner@linux.ibm.com>
Date: Tue Jul 20 12:56:19 2021 -0400
PR 100167: Fix vector long long multiply/divide tests on power10.
This patch updates the vector long long multiply and divide tests to
supply the correct code information if power10 code generation is used.
2021-06-18 Michael Meissner <meissner@linux.ibm.com>
gcc/testsuite/
PR testsuite/100167
* gcc.target/powerpc/fold-vec-div-longlong.c: Fix expected code
generation on power10.
* gcc.target/powerpc/fold-vec-mult-longlong.c: Likewise.
Diff:
---
gcc/testsuite/gcc.target/powerpc/fold-vec-div-longlong.c | 7 +++++--
gcc/testsuite/gcc.target/powerpc/fold-vec-mult-longlong.c | 7 +++++--
2 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/gcc/testsuite/gcc.target/powerpc/fold-vec-div-longlong.c b/gcc/testsuite/gcc.target/powerpc/fold-vec-div-longlong.c
index 312e984d3cc..f6a9b290ae5 100644
--- a/gcc/testsuite/gcc.target/powerpc/fold-vec-div-longlong.c
+++ b/gcc/testsuite/gcc.target/powerpc/fold-vec-div-longlong.c
@@ -19,5 +19,8 @@ test6 (vector unsigned long long x, vector unsigned long long y)
{
return vec_div (x, y);
}
-/* { dg-final { scan-assembler-times {\mdivd\M} 2 } } */
-/* { dg-final { scan-assembler-times {\mdivdu\M} 2 } } */
+
+/* { dg-final { scan-assembler-times {\mdivd\M} 2 { target { ! has_arch_pwr10 } } } } */
+/* { dg-final { scan-assembler-times {\mdivdu\M} 2 { target { ! has_arch_pwr10 } } } } */
+/* { dg-final { scan-assembler-times {\mvdivsd\M} 1 { target { has_arch_pwr10 } } } } */
+/* { dg-final { scan-assembler-times {\mvdivud\M} 1 { target { has_arch_pwr10 } } } } */
diff --git a/gcc/testsuite/gcc.target/powerpc/fold-vec-mult-longlong.c b/gcc/testsuite/gcc.target/powerpc/fold-vec-mult-longlong.c
index 38dba9f5023..dff073d372d 100644
--- a/gcc/testsuite/gcc.target/powerpc/fold-vec-mult-longlong.c
+++ b/gcc/testsuite/gcc.target/powerpc/fold-vec-mult-longlong.c
@@ -20,5 +20,8 @@ test6 (vector unsigned long long x, vector unsigned long long y)
return vec_mul (x, y);
}
-/* { dg-final { scan-assembler-times "\[ \t\]mulld " 4 { target lp64 } } } */
-
+/* Power10 can generate the vmulld instruction even in 32-bit. Before power10,
+ we limit the code to lp64, since 32-bit cannot generate the mulld
+ instruction. */
+/* { dg-final { scan-assembler-times {\mmulld\M} 4 { target { lp64 && { ! has_arch_pwr10 } } } } } */
+/* { dg-final { scan-assembler-times {\mvmulld\M} 2 { target { has_arch_pwr10 } } } } */
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