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-rw-r--r--src/compiler/glsl/float64.glsl6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/compiler/glsl/float64.glsl b/src/compiler/glsl/float64.glsl
index e09655e5055..1a434b1fd59 100644
--- a/src/compiler/glsl/float64.glsl
+++ b/src/compiler/glsl/float64.glsl
@@ -798,6 +798,12 @@ __fmul64(uint64_t a, uint64_t b)
return __roundAndPackFloat64(zSign, zExp, zFrac0, zFrac1, zFrac2);
}
+uint64_t
+__ffma64(uint64_t a, uint64_t b, uint64_t c)
+{
+ return __fadd64(__fmul64(a, b), c);
+}
+
/* Shifts the 64-bit value formed by concatenating `a0' and `a1' right by the
* number of bits given in `count'. Any bits shifted off are lost. The value
* of `count' can be arbitrarily large; in particular, if `count' is greater