| /* { dg-do compile } */ |
| /* { dg-options "-fdump-rtl-cmpelim -dp" } */ |
| /* { dg-skip-if "code quality test" { *-*-* } { "-O0" } { "" } } */ |
| |
| typedef unsigned int __attribute__ ((mode (SI))) ulong_t; |
| typedef int __attribute__ ((mode (SI))) long_t; |
| typedef int __attribute__ ((mode (QI))) int_t; |
| |
| ulong_t |
| eq_rotlsi (ulong_t x, int_t y) |
| { |
| long_t v; |
| |
| v = x << y | x >> 8 * sizeof (x) - y; |
| if (v == 0) |
| return v; |
| else |
| return v + 2; |
| } |
| |
| /* Expect assembly like: |
| |
| rotl 8(%ap),4(%ap),%r0 # 36 [c=40] *rotlsi3_ccz |
| jeql .L1 # 38 [c=26] *branch_ccz |
| addl2 $2,%r0 # 35 [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 "rotlsi\[^ \]*_ccz(/\[0-9\]+)?\n" } } */ |
| /* { dg-final { scan-assembler "branch_ccz\n" } } */ |
