/* { dg-do compile } */ /* { dg-options "-fdump-rtl-cmpelim -dp" } */ /* { dg-skip-if "code quality test" { *-*-* } { "-O0" "-O1" } { "" } } */ typedef unsigned int __attribute__ ((mode (HI))) int_t; void ltu_subhi (int_t *w, int_t *x, int_t *y) { int_t v; v = *x - *y; if (*x < *y) *w = v; else *w = v + 2; } /* Expect assembly like: movw *8(%ap),%r2 # 28 [c=24] *movhi movw *12(%ap),%r1 # 29 [c=24] *movhi subw3 %r1,%r2,%r0 # 30 [c=32] *subhi3_cc/1 jlssu .L2 # 32 [c=26] *branch_cc addw2 $2,%r0 # 27 [c=32] *addhi3 .L2: */ /* { 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 "subhi\[^ \]*_cc(/\[0-9\]+)?\n" } } */ /* { dg-final { scan-assembler "branch_cc\n" } } */