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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.target/] [i386/] [fma3-fma.c] - Rev 848
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/* Test that the compiler properly optimizes floating point multiply and add instructions FMA3 systems. */ /* { dg-do compile { target { ! { ia32 } } } } */ /* { dg-options "-O2 -mfma -mno-fma4" } */ 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 "vfmadd...ss" } } */ /* { dg-final { scan-assembler "vfmadd...sd" } } */ /* { dg-final { scan-assembler "vfmsub...ss" } } */ /* { dg-final { scan-assembler "vfmsub...sd" } } */ /* { dg-final { scan-assembler "vfnmadd...ss" } } */ /* { dg-final { scan-assembler "vfnmadd...sd" } } */ /* { dg-final { scan-assembler "vfnmsub...ss" } } */ /* { dg-final { scan-assembler "vfnmsub...sd" } } */
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