diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/powerpc/ppc-fma-3.c')
-rw-r--r-- | gcc/testsuite/gcc.target/powerpc/ppc-fma-3.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/powerpc/ppc-fma-3.c b/gcc/testsuite/gcc.target/powerpc/ppc-fma-3.c new file mode 100644 index 000000000..c83c58298 --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/ppc-fma-3.c @@ -0,0 +1,103 @@ +/* { dg-do compile { target { powerpc*-*-* } } } */ +/* { dg-skip-if "" { powerpc*-*-darwin* } { "*" } { "" } } */ +/* { dg-require-effective-target powerpc_altivec_ok } */ +/* { dg-options "-O3 -ftree-vectorize -mcpu=power6 -maltivec -ffast-math" } */ +/* { dg-final { scan-assembler-times "vmaddfp" 2 } } */ +/* { dg-final { scan-assembler-times "fmadd " 2 } } */ +/* { dg-final { scan-assembler-times "fmadds" 2 } } */ +/* { dg-final { scan-assembler-times "fmsub " 1 } } */ +/* { dg-final { scan-assembler-times "fmsubs" 1 } } */ +/* { dg-final { scan-assembler-times "fnmadd " 1 } } */ +/* { dg-final { scan-assembler-times "fnmadds" 1 } } */ +/* { dg-final { scan-assembler-times "fnmsub " 1 } } */ +/* { dg-final { scan-assembler-times "fnmsubs" 1 } } */ + +/* All functions should generate an appropriate (a * b) + c instruction + since -mfused-madd is on by default. */ + +double +builtin_fma (double b, double c, double d) +{ + return __builtin_fma (b, c, d); /* fmadd */ +} + +double +builtin_fms (double b, double c, double d) +{ + return __builtin_fma (b, c, -d); /* fmsub */ +} + +double +builtin_fnma (double b, double c, double d) +{ + return - __builtin_fma (b, c, d); /* fnmadd */ +} + +double +builtin_fnms (double b, double c, double d) +{ + return - __builtin_fma (b, c, -d); /* fnmsub */ +} + +float +builtin_fmaf (float b, float c, float d) +{ + return __builtin_fmaf (b, c, d); /* fmadds */ +} + +float +builtin_fmsf (float b, float c, float d) +{ + return __builtin_fmaf (b, c, -d); /* fmsubs */ +} + +float +builtin_fnmaf (float b, float c, float d) +{ + return - __builtin_fmaf (b, c, d); /* fnmadds */ +} + +float +builtin_fnmsf (float b, float c, float d) +{ + return - __builtin_fmaf (b, c, -d); /* fnmsubs */ +} + +double +normal_fma (double b, double c, double d) +{ + return (b * c) + d; /* fmadd */ +} + +float +normal_fmaf (float b, float c, float d) +{ + return (b * c) + d; /* fmadds */ +} + +#ifndef SIZE +#define SIZE 1024 +#endif + +float vfa[SIZE] __attribute__((__aligned__(32))); +float vfb[SIZE] __attribute__((__aligned__(32))); +float vfc[SIZE] __attribute__((__aligned__(32))); +float vfd[SIZE] __attribute__((__aligned__(32))); + +void +vector_fmaf (void) +{ + int i; + + for (i = 0; i < SIZE; i++) + vfa[i] = __builtin_fmaf (vfb[i], vfc[i], vfd[i]); /* vaddfp */ +} + +void +vnormal_fmaf (void) +{ + int i; + + for (i = 0; i < SIZE; i++) + vfa[i] = (vfb[i] * vfc[i]) + vfd[i]; /* vaddfp */ +} |