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lhs-1.c: Fix testcase to avoid subreg changes.

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* gcc.target/powerpc/lhs-1.c: Fix testcase to avoid subreg changes.

From-SVN: r236672
This commit is contained in:
Pat Haugen 2016-05-24 22:24:16 +00:00 • committed by Pat Haugen
parent b2dc9c3b20
commit 26869fdb47
2 changed files with 11 additions and 13 deletions
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5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2016-05-24 Pat Haugen <pthaugen@us.ibm.com>
PR target/71050
* gcc.target/powerpc/lhs-1.c: Fix testcase to avoid subreg changes.
2016-05-24 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/50436

19
gcc/testsuite/gcc.target/powerpc/lhs-1.c
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@ -4,19 +4,12 @@
/* { dg-options "-O2 -mcpu=power5" } */
/* { dg-final { scan-assembler-times "nop" 3 } } */
/* Test generation of nops in load hit store situation. */
/* Test generation of nops in load hit store situation. Make sure enough nop
insns are generated to move the load to a new dispatch group. With the
simple stw/lwz pair below, that would be 3 nop insns for Power5. */
typedef union {
double val;
struct {
unsigned int w1;
unsigned int w2;
};
} words;
unsigned int f (double d, words *u)
unsigned int f (volatile unsigned int *u, unsigned int u2)
{
u->val = d;
return u->w2;
*u = u2;
return *u;
}