| /* Verify: | |
| * -fomit-frame-pointer -fsanitize=shadow-call-stack -fno-exceptions -ffixed-x18. | |
| * without outgoing. | |
| * total frame <= 512 but > 256. | |
| * callee-saved reg: x19, x20, x30. | |
| * optimized code should use "stp x19, x20, [sp, -x]!" to save x19, x20 in prologue. | |
| * optimized code should use "str x30, [sp " to save x30 in prologue. | |
| * optimized code should use "ldp x19, x20, [sp], x" to retore x19, x20 in epilogue. | |
| * optimized code should not restore x30 in epilogue. */ | |
| /* { dg-do compile } */ | |
| /* { dg-options "-O0 -fomit-frame-pointer -fsanitize=shadow-call-stack -fno-exceptions -ffixed-x18 --save-temps -fno-stack-protector" } */ | |
| /* { dg-skip-if "conflicts with x18" { aarch64-*-vxworks* } } */ | |
| int func1 (void) | |
| { | |
| unsigned char a[200]; | |
| __asm__ ("":::"x19","x20","x30"); | |
| return 0; | |
| } | |
| /* { dg-final { scan-assembler-times {stp\tx19, x20, \[sp, -[0-9]+\]!} 1 } } */ | |
| /* { dg-final { scan-assembler-times {str\tx30, \[sp} 1 } } */ | |
| /* { dg-final { scan-assembler {ldp\tx19, x20, \[sp\], [0-9]+} } } */ | |
| /* { dg-final { scan-assembler-not {ld[r|p]\tx30, \[sp} } } */ |