| /* { dg-do compile } */ |
| /* { dg-options "-fdump-rtl-cmpelim -dp" } */ |
| /* { dg-skip-if "code quality test" { *-*-* } { "-O0" } { "" } } */ |
| |
| typedef unsigned int __attribute__ ((mode (SI))) uint_t; |
| typedef int __attribute__ ((mode (SI))) int_t; |
| |
| uint_t |
| le_extzvsi (uint_t x, int_t y) |
| { |
| int_t v; |
| |
| v = x >> y; |
| if (v <= 0) |
| return v; |
| else |
| return v + 2; |
| } |
| |
| /* Expect assembly like: |
| |
| subb3 8(%ap),$32,%r0 # 31 [c=40] *subqi3/1 |
| extzv 8(%ap),%r0,4(%ap),%r0 # 32 [c=76] *extzv_non_const_2_ccnz |
| jleq .L1 # 34 [c=26] *branch_ccnz |
| addl2 $2,%r0 # 30 [c=32] *addsi3 |
| .L1: |
| |
| */ |
| |
| /* { 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 "extzv\[^ \]*_ccnz(/\[0-9\]+)?\n" } } */ |
| /* { dg-final { scan-assembler "branch_ccnz\n" } } */ |
