URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [gcc/] [testsuite/] [gcc.target/] [i386/] [fma4-fma.c] - Rev 516
Compare with Previous | Blame | View Log
/* Test that the compiler properly optimizes floating point multiply and add instructions into vfmaddss, vfmsubss, vfnmaddss, vfnmsubss on FMA4 systems. */ /* { dg-do compile } */ /* { dg-require-effective-target lp64 } */ /* { dg-options "-O2 -mfma4" } */ extern void exit (int); float flt_mul_add (float a, float b, float c) { return (a * b) + c; } double dbl_mul_add (double a, double b, double c) { return (a * b) + c; } float flt_mul_sub (float a, float b, float c) { return (a * b) - c; } double dbl_mul_sub (double a, double b, double c) { return (a * b) - c; } float flt_neg_mul_add (float a, float b, float c) { return (-(a * b)) + c; } double dbl_neg_mul_add (double a, double b, double c) { return (-(a * b)) + c; } float flt_neg_mul_sub (float a, float b, float c) { return (-(a * b)) - c; } double dbl_neg_mul_sub (double a, double b, double c) { return (-(a * b)) - c; } float f[10] = { 2, 3, 4 }; double d[10] = { 2, 3, 4 }; int main () { f[3] = flt_mul_add (f[0], f[1], f[2]); f[4] = flt_mul_sub (f[0], f[1], f[2]); f[5] = flt_neg_mul_add (f[0], f[1], f[2]); f[6] = flt_neg_mul_sub (f[0], f[1], f[2]); d[3] = dbl_mul_add (d[0], d[1], d[2]); d[4] = dbl_mul_sub (d[0], d[1], d[2]); d[5] = dbl_neg_mul_add (d[0], d[1], d[2]); d[6] = dbl_neg_mul_sub (d[0], d[1], d[2]); exit (0); } /* { dg-final { scan-assembler "vfmaddss" } } */ /* { dg-final { scan-assembler "vfmaddsd" } } */ /* { dg-final { scan-assembler "vfmsubss" } } */ /* { dg-final { scan-assembler "vfmsubsd" } } */ /* { dg-final { scan-assembler "vfnmaddss" } } */ /* { dg-final { scan-assembler "vfnmaddsd" } } */ /* { dg-final { scan-assembler "vfnmsubss" } } */ /* { dg-final { scan-assembler "vfnmsubsd" } } */