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re PR tree-optimization/59478 (Optimize variable access via byte copy) 

gcc/testsuite/
	PR target/59478
	* gcc.target/sh/pr59478.c: New.

From-SVN: r227958
This commit is contained in:
Oleg Endo 2015-09-21 01:43:50 +00:00
parent 0a775f1a4b
commit 1383eae791
2 changed files with 54 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2015-09-21 Oleg Endo <olegendo@gcc.gnu.org>
PR target/59478
* gcc.target/sh/pr59478.c: New.
2015-09-21 Oleg Endo <olegendo@gcc.gnu.org>
PR target/67126

49
gcc/testsuite/gcc.target/sh/pr59478.c Normal file
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/* Verify that the fmac insn is used for the standard fmaf function. */
/* { dg-do compile { target { any_fpu } } } */
/* { dg-options "-O2" } */
/* { dg-final { scan-assembler-times "fpul" 8 } } */
/* { dg-final { scan-assembler-times "\tflds\tfr" 2 } } */
/* { dg-final { scan-assembler-times "\tsts\tfpul" 2 } } */
/* { dg-final { scan-assembler-times "\tlds\tr" 2 } } */
/* { dg-final { scan-assembler-times "\tfsts\tfpul" 2 } } */
/* { dg-final { scan-assembler-not "mov" } } */
int
test_00 (float val)
{
char valbytes[sizeof (float)];
__builtin_memcpy (valbytes, &val, sizeof (float));
int result;
__builtin_memcpy (&result, valbytes, sizeof (int));
return result;
}
float
test_01 (int val)
{
char valbytes[sizeof (int)];
__builtin_memcpy (valbytes, &val, sizeof (int));
float result;
__builtin_memcpy (&result, valbytes, sizeof (float));
return result;
}
int
test_02 (float val)
{
union { int i; float f; } tmp;
tmp.f = val;
return tmp.i;
}
float
test_03 (int val)
{
union { int i; float f; } tmp;
tmp.i = val;
return tmp.f;
}