/* PR86731. Verify that the rs6000 gimple-folding code handles the left shift operation properly. This is a testcase variation that explicitly specifies -fwrapv, which is a condition for the gimple folding of the vec_sl() intrinsic. */ /* specify -mpower8-vector, which provides vec_sl(long long,...) support. */ /* { dg-do compile } */ /* { dg-require-effective-target powerpc_p8vector_ok } */ /* { dg-require-effective-target lp64 } */ /* { dg-options "-maltivec -O3 -fwrapv -mpower8-vector " } */ #include 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. If folding is enabled, the vec_sl tests using vector long long type will generate a lvx instead of a vspltisw+vsld pair. */ /* { dg-final { scan-assembler-times {\mvspltis[bhw]\M} 0 } } */ /* { dg-final { scan-assembler-times {\mvsl[bhwd]\M} 0 } } */ /* { dg-final { scan-assembler-times {\mlvx\M|\mlxv\M|\mlxvd2x\M} 2 } } */