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* gcc.dg/20020103-1.c: New.

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From-SVN: r48525
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Richard Henderson 2002-01-03 17:10:38 -08:00 committed by Richard Henderson
parent 187462ace7
commit 0b223645f5
2 changed files with 39 additions and 0 deletions
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4
gcc/testsuite/ChangeLog
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2002-01-03 Richard Henderson <rth@redhat.com>
* gcc.dg/20020103-1.c: New.
2002-01-03 Kazu Hirata <kazu@hxi.com>
* gcc.c-torture/execute/20020103-1.c: New test.

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gcc/testsuite/gcc.dg/20020103-1.c Normal file
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/* Verify that constant equivalences get reloaded properly, either by being
spilled to the stack, or regenerated, but not dropped to memory. */
/* { dg-do compile { target { i?86-*-* powerpc-*-* alpha*-*-* } } */
/* { dg-options "-O2 -fpic -fno-omit-frame-pointer" } */
/* { dg-final { scan-assembler-not "LC" } } */
/* Clobber all call-saved registers that can hold a pointer value. */
#if defined(__i386__)
#define clobber \
asm volatile("#asm" : : : "si", "di")
#elif defined(__powerpc__)
#define clobber \
asm volatile("#asm" : : : "14", "15", "16", "17", "18", "19", "20", \
"21", "22", "23", "24", "25", "26", "27", "28", "29")
#elif defined(__alpha__)
#define clobber \
asm volatile("#asm" : : : "$9", "$10", "$11", "$12", "$13", "$14", \
"$f2", "$f3", "$f4", "$f5", "$f6", "$f7", "$f8", "$f9")
#else
#error no clobber macro defined
#endif
extern void f1(int, int, int);
extern void f2(int*, int*, int*);
extern int ext;
static int loc_small;
static int loc_big[100];
void bar(void)
{
f1(ext, loc_small, loc_big[0]);
clobber;
f2(&ext, &loc_small, &loc_big[0]);
}