1 files changed, 35 insertions, 13 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt b/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt
index a3f4947c73..eb492076b7 100644
--- a/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt
+++ b/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt
@@ -187,11 +187,7 @@ TGSI Instruction Specification
 
 1.2.6  CND0 - Condition Zero
 
-  dst.x = (src2.x >= 0.0) ? src0.x : src1.x
-  dst.y = (src2.y >= 0.0) ? src0.y : src1.y
-  dst.z = (src2.z >= 0.0) ? src0.z : src1.z
-  dst.w = (src2.w >= 0.0) ? src0.w : src1.w
-
+       Removed.  Use (CMP src2, src1, src0) instead.
 
 1.2.7  DOT2ADD - 2-component Dot Product And Add
 
@@ -665,9 +661,18 @@ TGSI Instruction Specification
   TBD
 
 
-1.9.8  LOOP - Loop
+1.9.8  BGNFOR - Begin a For-Loop
 
-  TBD
+  dst.x = floor(src.x)
+  dst.y = floor(src.y)
+  dst.z = floor(src.z)
+
+  if (dst.y <= 0)
+    pc = [matching ENDFOR] + 1
+  endif
+
+  Note: The destination must be a loop register.
+        The source must be a constant register.
 
 
 1.9.9  REP - Repeat
@@ -685,9 +690,16 @@ TGSI Instruction Specification
   TBD
 
 
-1.9.12  ENDLOOP - End Loop
+1.9.12  ENDFOR - End a For-Loop
 
-  TBD
+  dst.x = dst.x + dst.z
+  dst.y = dst.y - 1.0
+
+  if (dst.y > 0)
+    pc = [matching BGNFOR instruction] + 1
+  endif
+
+  Note: The destination must be a loop register.
 
 
 1.9.13  ENDREP - End Repeat
@@ -840,7 +852,7 @@ TGSI Instruction Specification
 ----------
 
 
-1.13.1  BGNLOOP2 - Begin Loop
+1.13.1  BGNLOOP - Begin a Loop
 
   TBD
 
@@ -850,7 +862,7 @@ TGSI Instruction Specification
   TBD
 
 
-1.13.3  ENDLOOP2 - End Loop
+1.13.3  ENDLOOP - End a Loop
 
   TBD
 
@@ -1015,12 +1027,12 @@ TGSI Instruction Specification
 
 1.18.1  EXPP - Approximate Exponential Base 2
 
-  Alias for EXP.
+  Use EXP. See also 1.19.3.
 
 
 1.18.2  LOGP - Logarithm Base 2
 
-  Alias for LG2.
+  Use LOG. See also 1.19.4.
 
 
 1.19  vs_2_0
@@ -1037,6 +1049,16 @@ TGSI Instruction Specification
   Alias for ARR.
 
 
+1.19.3  EXPP - Approximate Exponential Base 2
+
+  Use EX2.
+
+
+1.19.4  LOGP - Logarithm Base 2
+
+  Use LG2.
+
+
 2  Explanation of symbols used
 ==============================