| /* Verify that if IP is saved to ensure stack alignment, we don't load |
| it into sp. */ |
| /* { dg-do compile } */ |
| /* { dg-skip-if "Test is specific to the iWMMXt" { arm*-*-* } { "-mcpu=*" } { "-mcpu=iwmmxt" } } */ |
| /* { dg-skip-if "Test is specific to the iWMMXt" { arm*-*-* } { "-mabi=*" } { "-mabi=iwmmxt" } } */ |
| /* { dg-skip-if "Test is specific to the iWMMXt" { arm*-*-* } { "-march=*" } { "-march=iwmmxt" } } */ |
| /* { dg-skip-if "Test is specific to ARM mode" { arm*-*-* } { "-mthumb" } { "" } } */ |
| /* { dg-options "-O -mno-apcs-frame -mcpu=iwmmxt -mabi=iwmmxt" } */ |
| /* { dg-require-effective-target arm32 } */ |
| /* { dg-require-effective-target arm_iwmmxt_ok } */ |
| /* { dg-final { scan-assembler "push.*ip,\[ ]*pc" } } */ |
| /* { dg-skip-if "r9 is reserved in FDPIC" { arm*-*-uclinuxfdpiceabi } "*" "" } */ |
| |
| /* This function uses all the call-saved registers, namely r4, r5, r6, |
| r7, r8, r9, sl, fp. Since we also save lr, that leaves an odd |
| number of registers, and the compiler will push ip to align the |
| stack. Make sure that we restore ip into ip, not into sp as is |
| done when using a frame pointer. The -mno-apcs-frame option |
| permits the frame pointer to be used as an ordinary register. */ |
| |
| void |
| foo(void) |
| { |
| __asm volatile ("" : : : |
| "r4", "r5", "r6", "r7", "r8", "r9", "sl", "fp", "lr"); |
| } |