| /* { dg-do compile } */ |
| /* { dg-options "-fdump-rtl-cmpelim -dp" } */ |
| /* { dg-skip-if "code quality test" { *-*-* } { "-O0" } { "" } } */ |
| |
| typedef signed int __attribute__ ((mode (SI))) int_t; |
| typedef struct |
| { |
| int_t h : 7; |
| int_t i : 18; |
| int_t l : 7; |
| } |
| bit_t; |
| |
| int_t |
| eq_extvsi (bit_t x) |
| { |
| int_t v; |
| |
| v = x.i; |
| if (v == 0) |
| return v; |
| else |
| return v + 2; |
| } |
| |
| /* Expect assembly like: |
| |
| extv $7,$18,4(%ap),%r0 # 32 [c=68] *extv_non_const_2_ccz |
| jeql .L1 # 34 [c=26] *branch_ccz |
| addl2 $2,%r0 # 31 [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 "extv\[^ \]*_ccz(/\[0-9\]+)?\n" } } */ |
| /* { dg-final { scan-assembler "branch_ccz\n" } } */ |
