| /* PR86731. Verify that the rs6000 gimple-folding code handles the |
| left shift properly. */ |
| |
| /* { dg-do compile } */ |
| /* { dg-require-effective-target powerpc_p8vector_ok } */ |
| /* { dg-require-effective-target lp64 } */ |
| /* { dg-options "-maltivec -O3 -mpower8-vector " } */ |
| |
| #include <altivec.h> |
| |
| vector unsigned long long splatu4(void) |
| { |
| vector unsigned long long mzero = {-1,-1}; |
| return (vector unsigned long long) vec_sl(mzero, mzero); |
| } |
| vector signed long long splats4(void) |
| { |
| vector unsigned long long mzero = {-1,-1}; |
| return (vector signed long long) vec_sl(mzero, mzero); |
| } |
| |
| /* Codegen will consist of splat and shift instructions for most types. |
| Noted variations: if gimple folding is disabled, or if -fwrapv is not |
| specified, the long long tests will generate a vspltisw+vsld pair, |
| versus generating a single lvx. */ |
| /* { dg-final { scan-assembler-times {\mvspltis[bhw]\M|\mxxspltib\M} 2 } } */ |
| /* { dg-final { scan-assembler-times {\mvsl[bhwd]\M} 2 } } */ |
| /* { dg-final { scan-assembler-times {\mlvx\M} 0 } } */ |
| |
