gallium/docs: remove documentation of non-existent instructions

trivial

diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst
index 341b41fb2da271cebc8f9a792ee38f898264e94e..9f66fddedcf345cd34b26039892a288be7eb3faa 100644 (file)
--- a/src/gallium/docs/source/tgsi.rst
+++ b/src/gallium/docs/source/tgsi.rst
@@ -246,19 +246,6 @@ This instruction replicates its result.
   dst.w = src0.w \times src1.w + src2.w
 
 
-.. opcode:: SUB - Subtract
-
-.. math::
-
-  dst.x = src0.x - src1.x
-
-  dst.y = src0.y - src1.y
-
-  dst.z = src0.z - src1.z
-
-  dst.w = src0.w - src1.w
-
-
 .. opcode:: LRP - Linear Interpolate
 
 .. math::
@@ -391,19 +378,6 @@ This instruction replicates its result.
   dst.w = 1
 
 
-.. opcode:: ABS - Absolute
-
-.. math::
-
-  dst.x = |src.x|
-
-  dst.y = |src.y|
-
-  dst.z = |src.z|
-
-  dst.w = |src.w|
-
-
 .. opcode:: DPH - Homogeneous Dot Product
 
 This instruction replicates its result.