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-rw-r--r--src/gallium/docs/source/tgsi.rst26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst
index b0a975aa70a..7771136f167 100644
--- a/src/gallium/docs/source/tgsi.rst
+++ b/src/gallium/docs/source/tgsi.rst
@@ -272,6 +272,21 @@ This instruction replicates its result.
dst.w = src0.w \times src1.w + (1 - src0.w) \times src2.w
+.. opcode:: FMA - Fused Multiply-Add
+
+Perform a * b + c with no intermediate rounding step.
+
+.. math::
+
+ dst.x = src0.x \times src1.x + src2.x
+
+ dst.y = src0.y \times src1.y + src2.y
+
+ dst.z = src0.z \times src1.z + src2.z
+
+ dst.w = src0.w \times src1.w + src2.w
+
+
.. opcode:: DP2A - 2-component Dot Product And Add
.. math::
@@ -1962,6 +1977,17 @@ source is an integer.
dst.zw = src0.zw \times src1.zw + src2.zw
+.. opcode:: DFMA - Fused Multiply-Add
+
+Perform a * b + c with no intermediate rounding step.
+
+.. math::
+
+ dst.xy = src0.xy \times src1.xy + src2.xy
+
+ dst.zw = src0.zw \times src1.zw + src2.zw
+
+
.. opcode:: DRCP - Reciprocal
.. math::