/* { dg-do compile } */ /* { dg-options "-fdump-rtl-cmpelim -dp" } */ /* { dg-skip-if "code quality test" { *-*-* } { "-O0" } { "" } } */ typedef unsigned int __attribute__ ((mode (SI))) uint_t; typedef int __attribute__ ((mode (SI))) int_t; uint_t lt_extzvsi (uint_t x, int_t y) { int_t v; v = x >> y; if (v < 0) return v; else return v + 2; } /* Expect assembly like: subb3 8(%ap),$32,%r0 # 31 [c=40] *subqi3/1 extzv 8(%ap),%r0,4(%ap),%r0 # 32 [c=76] *extzv_non_const_2_ccn jlss .L1 # 34 [c=26] *branch_ccn addl2 $2,%r0 # 30 [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 "extzv\[^ \]*_ccn(/\[0-9\]+)?\n" } } */ /* { dg-final { scan-assembler "branch_ccn\n" } } */