34 lines
874 B
C
34 lines
874 B
C
/* { dg-do compile } */
|
|
/* { dg-options "-fdump-rtl-cmpelim -dp" } */
|
|
/* { dg-skip-if "code quality test" { *-*-* } { "-O0" } { "" } } */
|
|
|
|
typedef unsigned int __attribute__ ((mode (SI))) ulong_t;
|
|
typedef int __attribute__ ((mode (SI))) long_t;
|
|
typedef int __attribute__ ((mode (QI))) int_t;
|
|
|
|
ulong_t
|
|
eq_rotlsi (ulong_t x, int_t y)
|
|
{
|
|
long_t v;
|
|
|
|
v = x << y | x >> 8 * sizeof (x) - y;
|
|
if (v == 0)
|
|
return v;
|
|
else
|
|
return v + 2;
|
|
}
|
|
|
|
/* Expect assembly like:
|
|
|
|
rotl 8(%ap),4(%ap),%r0 # 36 [c=40] *rotlsi3_ccz
|
|
jeql .L1 # 38 [c=26] *branch_ccz
|
|
addl2 $2,%r0 # 35 [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 "rotlsi\[^ \]*_ccz(/\[0-9\]+)?\n" } } */
|
|
/* { dg-final { scan-assembler "branch_ccz\n" } } */
|