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darwin, testsuite - fix PR58321

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Darwin doesn't emit a .file directive by default
and one of the scan-asm hits for ELF targets comes from
this directive. Adjust for Darwin and explain.

2019-05-20  Iain Sandoe  <iain@sandoe.co.uk>

	PR testsuite/58321
	* gcc.target/i386/memcpy-strategy-3.c: Adjust count for Darwin and
	add a comment as to the reason for the difference.
	* gcc.target/i386/memset-strategy-1.c: Likewise.

From-SVN: r271415
This commit is contained in:
Iain Sandoe 2019-05-20 12:28:18 +00:00 • committed by Iain Sandoe
parent 810c42c38d
commit ab904df5f9
3 changed files with 15 additions and 3 deletions
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7
gcc/testsuite/ChangeLog
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@ -1,3 +1,10 @@
2019-05-20 Iain Sandoe <iain@sandoe.co.uk>
PR testsuite/58321
* gcc.target/i386/memcpy-strategy-3.c: Adjust count for Darwin and
add a comment as to the reason for the difference.
* gcc.target/i386/memset-strategy-1.c: Likewise.
2019-05-20 Jonathan Wakely <jwakely@redhat.com>
PR c++/90532 Ensure __is_constructible(T[]) is false

5
gcc/testsuite/gcc.target/i386/memcpy-strategy-3.c
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@ -1,6 +1,9 @@
/* { dg-do compile } */
/* { dg-options "-O2 -march=atom -mmemcpy-strategy=vector_loop:2000:align,libcall:-1:align" } */
/* { dg-final { scan-assembler-times "memcpy" 2 } } */
/* On ELF platforms, one hit comes from the .file directive. */
/* { dg-final { scan-assembler-times "memcpy" 2 { target { ! *-*-darwin* } } } } */
/* But not on Darwin, which doesn't have a .file directive by default. */
/* { dg-final { scan-assembler-times "_memcpy" 1 { target *-*-darwin* } } } */
char a[2048];
char b[2048];

6
gcc/testsuite/gcc.target/i386/memset-strategy-1.c
View file

@ -1,10 +1,12 @@
/* { dg-do compile } */
/* { dg-options "-O2 -march=atom -mmemset-strategy=libcall:-1:align" } */
/* { dg-final { scan-assembler-times "memset" 2 } } */
/* On ELF platforms, one hit comes from the .file directive. */
/* { dg-final { scan-assembler-times "memset" 2 { target { ! *-*-darwin* } } } } */
/* But not on Darwin, which doesn't have a .file directive by default. */
/* { dg-final { scan-assembler-times "_memset" 1 { target *-*-darwin* } } } */
char a[2048];
void t (void)
{
__builtin_memset (a, 1, 2048);
}