diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/i386/preserve-none-7.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/preserve-none-7.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/preserve-none-7.c b/gcc/testsuite/gcc.target/i386/preserve-none-7.c new file mode 100644 index 0000000..2c80560 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/preserve-none-7.c @@ -0,0 +1,32 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -mtune-ctrl=^prologue_using_move,^epilogue_using_move -fomit-frame-pointer" } */ + +extern int bar (int) __attribute__ ((no_caller_saved_registers)) +#ifndef __x86_64__ +__attribute__ ((regparm(3))) +#endif +; + +__attribute__ ((preserve_none)) +void +foo (void *frame) +{ + int a,b,c,d,e,f,i; + a = bar (5); + b = bar (a); + c = bar (b); + d = bar (c); + e = bar (d); + f = bar (e); + for (i = 1; i < 10; i++) + { + a += bar (a + i) + bar (b + i) + + bar (c + i) + bar (d + i) + + bar (e + i) + bar (f + i); + } +} + +/* { dg-final { scan-assembler-times "push(?:l|q)\[\\t \]*%(?:e|r)bp" 1 } } */ +/* { dg-final { scan-assembler-times "pop(?:l|q)\[\\t \]*%(?:e|r)bp" 1 } } */ +/* { dg-final { scan-assembler-times "push(?:l|q)\[\\t \]*" 1 } } */ +/* { dg-final { scan-assembler-times "pop(?:l|q)\[\\t \]*" 1 } } */ |