diff options
Diffstat (limited to 'gcc-4.8.1/gcc/testsuite/gcc.target/i386/fma3-builtin.c')
-rw-r--r-- | gcc-4.8.1/gcc/testsuite/gcc.target/i386/fma3-builtin.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/gcc-4.8.1/gcc/testsuite/gcc.target/i386/fma3-builtin.c b/gcc-4.8.1/gcc/testsuite/gcc.target/i386/fma3-builtin.c new file mode 100644 index 000000000..2d9c5c73a --- /dev/null +++ b/gcc-4.8.1/gcc/testsuite/gcc.target/i386/fma3-builtin.c @@ -0,0 +1,81 @@ +/* Test that the compiler properly generates floating point multiply + and add instructions FMA3 systems. */ + +/* { dg-do compile { target { ! { ia32 } } } } */ +/* { dg-options "-O2 -mfma -mno-fma4" } */ + +#ifndef __FP_FAST_FMAF +# error "__FP_FAST_FMAF should be defined" +#endif +#ifndef __FP_FAST_FMA +# error "__FP_FAST_FMA should be defined" +#endif + +float +flt_mul_add (float a, float b, float c) +{ + return __builtin_fmaf (a, b, c); +} + +double +dbl_mul_add (double a, double b, double c) +{ + return __builtin_fma (a, b, c); +} + +float +flt_mul_sub (float a, float b, float c) +{ + return __builtin_fmaf (a, b, -c); +} + +double +dbl_mul_sub (double a, double b, double c) +{ + return __builtin_fma (a, b, -c); +} + +float +flt_neg_mul_add_1 (float a, float b, float c) +{ + return __builtin_fmaf (-a, b, c); +} + +double +dbl_neg_mul_add_1 (double a, double b, double c) +{ + return __builtin_fma (-a, b, c); +} + +float +flt_neg_mul_add_2 (float a, float b, float c) +{ + return __builtin_fmaf (a, -b, c); +} + +double +dbl_neg_mul_add_2 (double a, double b, double c) +{ + return __builtin_fma (a, -b, c); +} + +float +flt_neg_mul_sub (float a, float b, float c) +{ + return __builtin_fmaf (-a, b, -c); +} + +double +dbl_neg_mul_sub (double a, double b, double c) +{ + return __builtin_fma (-a, b, -c); +} + +/* { dg-final { scan-assembler-times "vfmadd...ss" 1 } } */ +/* { dg-final { scan-assembler-times "vfmadd...sd" 1 } } */ +/* { dg-final { scan-assembler-times "vfmsub...ss" 1 } } */ +/* { dg-final { scan-assembler-times "vfmsub...sd" 1 } } */ +/* { dg-final { scan-assembler-times "vfnmadd...ss" 2 } } */ +/* { dg-final { scan-assembler-times "vfnmadd...sd" 2 } } */ +/* { dg-final { scan-assembler-times "vfnmsub...ss" 1 } } */ +/* { dg-final { scan-assembler-times "vfnmsub...sd" 1 } } */ |