| /* { dg-do compile } */ |
| /* { dg-options "-fdump-rtl-cmpelim -dp" } */ |
| /* { dg-skip-if "code quality test" { *-*-* } { "-O0" "-O1" } { "" } } */ |
| |
| typedef int __attribute__ ((mode (QI))) int_t; |
| |
| void |
| lt_subqi (int_t *w, int_t *x, int_t *y) |
| { |
| int_t v; |
| |
| v = *x - *y; |
| if (v < 0) |
| *w = v; |
| else |
| *w = v + 2; |
| } |
| |
| /* Expect assembly like: |
| |
| subb3 *12(%ap),*8(%ap),%r0 # 29 [c=64] *subqi3_ccn/1 |
| jlss .L2 # 31 [c=26] *branch_ccn |
| addb2 $2,%r0 # 28 [c=32] *addqi3 |
| .L2: |
| |
| */ |
| |
| /* { dg-final { scan-rtl-dump-times "deleting insn with uid" 1 "cmpelim" } } */ |
| /* { dg-final { scan-assembler-not "\t(bit|cmpz?|tst). " } } */ |
| /* { dg-final { scan-assembler "subqi\[^ \]*_ccn(/\[0-9\]+)?\n" } } */ |
| /* { dg-final { scan-assembler "branch_ccn\n" } } */ |
