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| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/20020103-1.c | 35 |
2 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index ad7b553..cc16de8 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +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. diff --git a/gcc/testsuite/gcc.dg/20020103-1.c b/gcc/testsuite/gcc.dg/20020103-1.c new file mode 100644 index 0000000..bd5f1c1 --- /dev/null +++ b/gcc/testsuite/gcc.dg/20020103-1.c @@ -0,0 +1,35 @@ +/* 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]); +} |