| /* PR target/25199 */ |
| /* { dg-do compile } */ |
| /* APPLE LOCAL begin radar 4875094 */ |
| /* { dg-options "-Oz -mtune=pentium4" } */ |
| /* APPLE LOCAL end radar 4875094 */ |
| /* { 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 "movl\[ \t\]*120" } } */ |
