On 5/7/21 6:00 PM, Segher Boessenkool wrote:
>> --- a/gcc/testsuite/gcc.target/powerpc/vec-rlmi-rlnm.c
>> +++ b/gcc/testsuite/gcc.target/powerpc/vec-rlmi-rlnm.c
>> @@ -62,6 +62,6 @@ rlnm_test_2 (vector unsigned long long x, vector unsigned
>> long long y,
>> /* { dg-final { scan-assembler-times "vextsb2d" 1 } } */
>> /* { dg-final { scan-assembler-times "vslw" 1 } } */
>> /* { dg-final { scan-assembler-times "vsld" 1 } } */
>> -/* { dg-final { scan-assembler-times "xxlor" 3 } } */
>> +/* { dg-final { scan-assembler-times "xxlor" 2 } } */
>> /* { dg-final { scan-assembler-times "vrlwnm" 2 } } */
>> /* { dg-final { scan-assembler-times "vrldnm" 2 } } */
> So what is this replaced with? Was it an "xxlmr" and it is just
> unnecessary now?
Different RA choice made the reg copy unnecessary.
< xxspltib 0,8
< xxlor 32,0,0
---
> xxspltib 32,8
-Pat
