/* { 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 union { int_t i; struct { int_t h : 7; int_t i : 18; int_t l : 7; } b; } bit_t; int le_insvsi (bit_t x, int_t y) { int_t v; v = x.b.i; x.b.i = y; if (v <= 0) return x.i; else return x.i + 2; } /* Expect assembly like: movl 4(%ap),%r0 # 37 [c=16] *movsi_2 extv $7,$18,%r0,%r1 # 38 [c=60] *extv_non_const_2_ccnz insv 8(%ap),$7,$18,%r0 # 8 [c=16] *insv_2 jleq .L1 # 40 [c=26] *branch_ccnz addl2 $2,%r0 # 36 [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\[^ \]*_ccnz(/\[0-9\]+)?\n" } } */ /* { dg-final { scan-assembler "extv.*insv.*branch" } } */ /* { dg-final { scan-assembler "branch_ccnz\n" } } */