diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/i386/movq-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/movq-2.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/movq-2.c b/gcc/testsuite/gcc.target/i386/movq-2.c new file mode 100644 index 000000000..4a1accb58 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/movq-2.c @@ -0,0 +1,26 @@ +/* PR target/25199 */ +/* { dg-do compile } */ +/* { dg-options "-Os -mtune=pentium4" } */ +/* { dg-require-effective-target ilp32 } */ + +struct S +{ + void *p[30]; + unsigned char c[4]; +}; + +unsigned char d; + +void +foo (struct S *x) +{ + register unsigned char e __asm ("esi"); + e = x->c[3]; + __asm __volatile ("" : : "r" (e)); + e = x->c[0]; + __asm __volatile ("" : : "r" (e)); +} + +/* { dg-final { scan-assembler-not "movl\[ \t\]*123" } } */ +/* { dg-final { scan-assembler "movzbl\[ \t\]*123" } } */ +/* { dg-final { scan-assembler "mov(zb)?l\[ \t\]*120" } } */ |