/* { dg-do compile } */ /* { dg-options "-fdump-rtl-peephole2 -dp" } */ /* { dg-skip-if "code quality test" { *-*-* } { "-O0" "-O1" } { "" } } */ typedef unsigned int __attribute__ ((mode (SI))) uint_t; 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 ltu_cmpvsi (bit_t x, uint_t y) { uint_t v; v = x.i; if (v < y) return 1; else return 2; } /* Expect assembly like: cmpv $7,$18,4(%ap),8(%ap) # 50 [c=88] *cmpv_cc jgequ .L6 # 39 [c=26] *branch_cc movl $1,%r0 # 35 [c=4] *movsi_2 ret # 45 [c=0] return .L6: */ /* { dg-final { scan-rtl-dump-times "Splitting with gen_peephole2" 1 "peephole2" } } */ /* { dg-final { scan-assembler-not "\t(bit|cmp|tst)\[bwl\] " } } */ /* { dg-final { scan-assembler "cmpv\[^ \]*_cc(/\[0-9\]+)?\n" } } */ /* { dg-final { scan-assembler "branch_cc\n" } } */