Fused multiply-add for IA32.

git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2481 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e

1 files changed, 8 insertions, 0 deletions

diff --git a/test/regression/builtins-ia32.c b/test/regression/builtins-ia32.c
index 4ce5488..9145518 100644
--- a/test/regression/builtins-ia32.c
+++ b/test/regression/builtins-ia32.c
@@ -8,6 +8,7 @@ int main(int argc, char ** argv)
   unsigned int y = 0xDEADBEEF;
   double a = 3.14159;
   double b = 2.718;
+  double c = 1.414;
   unsigned short s = 0x1234;
 
   printf("bswap(%x) = %x\n", x, __builtin_bswap(x));
@@ -17,6 +18,13 @@ int main(int argc, char ** argv)
   printf("fmin(%f, %f) = %f\n", a, b, __builtin_fmin(a, b));
   printf("fmax(%f, %f) = %f\n", a, b, __builtin_fmax(a, b));
 
+#ifdef FMA3
+  printf("fmadd(%f, %f, %f) = %f\n", a, b, c, __builtin_fmadd(a, b, c));
+  printf("fmsub(%f, %f, %f) = %f\n", a, b, c, __builtin_fmsub(a, b, c));
+  printf("fnmadd(%f, %f, %f) = %f\n", a, b, c, __builtin_fnmadd(a, b, c));
+  printf("fnmsub(%f, %f, %f) = %f\n", a, b, c, __builtin_fnmsub(a, b, c));
+#endif
+
   printf ("read_16_rev = %x\n", __builtin_read16_reversed(&s));
   printf ("read_32_rev = %x\n", __builtin_read32_reversed(&y));
   __builtin_write16_reversed(&s, 0x789A);