/* { dg-do compile { target { powerpc*-*-* } } } */ /* { dg-skip-if "" { powerpc*-*-darwin* } } */ /* { dg-require-effective-target powerpc_vsx_ok } */ /* { dg-options "-O3 -ftree-vectorize -mdejagnu-cpu=power7 -ffast-math -ffp-contract=off -fno-unroll-loops" } */ /* { dg-final { scan-assembler-times "xvmadd" 2 } } */ /* { dg-final { scan-assembler-times "xsmadd\|fmadd\ " 1 } } */ /* { dg-final { scan-assembler-times "fmadds" 1 } } */ /* { dg-final { scan-assembler-times "xvmsub" 2 } } */ /* { dg-final { scan-assembler-times "xsmsub\|fmsub\ " 1 } } */ /* { dg-final { scan-assembler-times "fmsubs" 1 } } */ /* { dg-final { scan-assembler-times "xvnmadd" 2 } } */ /* { dg-final { scan-assembler-times "xsnmadd\|fnmadd\ " 1 } } */ /* { dg-final { scan-assembler-times "fnmadds" 1 } } */ /* { dg-final { scan-assembler-times "xvnmsub" 2 } } */ /* { dg-final { scan-assembler-times "xsnmsub\|fnmsub\ " 1 } } */ /* { dg-final { scan-assembler-times "fnmsubs" 1 } } */ /* Only the functions calling the bulitin should generate an appropriate (a * b) + c instruction. */ double builtin_fma (double b, double c, double d) { return __builtin_fma (b, c, d); /* xsmadd{a,m}dp */ } double builtin_fms (double b, double c, double d) { return __builtin_fma (b, c, -d); /* xsmsub{a,b}dp */ } double builtin_fnma (double b, double c, double d) { return - __builtin_fma (b, c, d); /* xsnmadd{a,b}dp */ } double builtin_fnms (double b, double c, double d) { return - __builtin_fma (b, c, -d); /* xsnmsub{a,b}dp */ } 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; /* fmul/fadd */ } float normal_fmaf (float b, float c, float d) { return (b * c) + d; /* fmuls/fadds */ } #ifndef SIZE #define SIZE 1024 #endif double vda[SIZE] __attribute__((__aligned__(32))); double vdb[SIZE] __attribute__((__aligned__(32))); double vdc[SIZE] __attribute__((__aligned__(32))); double vdd[SIZE] __attribute__((__aligned__(32))); 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_fma (void) { int i; for (i = 0; i < SIZE; i++) vda[i] = __builtin_fma (vdb[i], vdc[i], vdd[i]); /* xvmadd{a,m}dp */ } void vector_fms (void) { int i; for (i = 0; i < SIZE; i++) vda[i] = __builtin_fma (vdb[i], vdc[i], -vdd[i]); /* xvmsub{a,m}dp */ } void vector_fnma (void) { int i; for (i = 0; i < SIZE; i++) vda[i] = - __builtin_fma (vdb[i], vdc[i], vdd[i]); /* xvnmadd{a,m}dp */ } void vector_fnms (void) { int i; for (i = 0; i < SIZE; i++) vda[i] = - __builtin_fma (vdb[i], vdc[i], -vdd[i]); /* xvnmsub{a,m}dp */ } void vector_fmaf (void) { int i; for (i = 0; i < SIZE; i++) vfa[i] = __builtin_fmaf (vfb[i], vfc[i], vfd[i]); /* xvmadd{a,m}sp */ } void vector_fmsf (void) { int i; for (i = 0; i < SIZE; i++) vfa[i] = __builtin_fmaf (vfb[i], vfc[i], -vfd[i]); /* xvmsub{a,m}sp */ } void vector_fnmaf (void) { int i; for (i = 0; i < SIZE; i++) vfa[i] = - __builtin_fmaf (vfb[i], vfc[i], vfd[i]); /* xvnmadd{a,m}sp */ } void vector_fnmsf (void) { int i; for (i = 0; i < SIZE; i++) vfa[i] = - __builtin_fmaf (vfb[i], vfc[i], -vfd[i]); /* xvnmsub{a,m}sp */ } void vnormal_fma (void) { int i; for (i = 0; i < SIZE; i++) vda[i] = (vdb[i] * vdc[i]) + vdd[i]; /* xvmadd{a,m}dp */ } void vnormal_fmaf (void) { int i; for (i = 0; i < SIZE; i++) vfa[i] = (vfb[i] * vfc[i]) + vfd[i]; /* xvmadd{a,m}sp */ }