From 982ac918afe6a1c02d5cf735d7b6c56443a048cc Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Fri, 7 Feb 2014 23:28:38 +0100
Subject: xkbcomp xkeyboard-config libxcb libxtrans fontconfig libX11 libxcb
 mesa xserver git update 7 Feb 2014

Update to openssl1.0.1f

xserver          commit 83e38eb73fd8c852513aac2da2975b4c01070ec2
libxcb           commit d7eb0bdf3b5b11ee9f40ee5e73df8fc0bdfa59f3
xkeyboard-config commit 7596672b96315465df8d8d691e3a567a52f70743
libX11           commit aacf95dacc7c598e7297894580d4d655593813b2
xkbcomp          commit 31b90ee4ffc774e0da540277907fc5540c0b012c
libxtrans        commit 3f0de269abe59353acbd7a5587d68ce0da91db67
fontconfig       commit e310d2fac2d874d5aa76c609df70cc7b871c0b6d
mesa             commit dd2229d4c68ed78a50104637aef904f8ab6d7dd3
---
 mesalib/src/glsl/opt_algebraic.cpp | 67 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)

(limited to 'mesalib/src/glsl/opt_algebraic.cpp')

diff --git a/mesalib/src/glsl/opt_algebraic.cpp b/mesalib/src/glsl/opt_algebraic.cpp
index d1f6435f4..1b4d31936 100644
--- a/mesalib/src/glsl/opt_algebraic.cpp
+++ b/mesalib/src/glsl/opt_algebraic.cpp
@@ -218,6 +218,11 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir)
       this->mem_ctx = ralloc_parent(ir);
 
    switch (ir->operation) {
+   case ir_unop_bit_not:
+      if (op_expr[0] && op_expr[0]->operation == ir_unop_bit_not)
+         return op_expr[0]->operands[0];
+      break;
+
    case ir_unop_abs:
       if (op_expr[0] == NULL)
 	 break;
@@ -240,6 +245,42 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir)
       }
       break;
 
+   case ir_unop_exp:
+      if (op_expr[0] == NULL)
+	 break;
+
+      if (op_expr[0]->operation == ir_unop_log) {
+         return op_expr[0]->operands[0];
+      }
+      break;
+
+   case ir_unop_log:
+      if (op_expr[0] == NULL)
+	 break;
+
+      if (op_expr[0]->operation == ir_unop_exp) {
+         return op_expr[0]->operands[0];
+      }
+      break;
+
+   case ir_unop_exp2:
+      if (op_expr[0] == NULL)
+	 break;
+
+      if (op_expr[0]->operation == ir_unop_log2) {
+         return op_expr[0]->operands[0];
+      }
+      break;
+
+   case ir_unop_log2:
+      if (op_expr[0] == NULL)
+	 break;
+
+      if (op_expr[0]->operation == ir_unop_exp2) {
+         return op_expr[0]->operands[0];
+      }
+      break;
+
    case ir_unop_logic_not: {
       enum ir_expression_operation new_op = ir_unop_logic_not;
 
@@ -479,6 +520,10 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir)
       if (is_vec_one(op_const[0]))
          return op_const[0];
 
+      /* x^1 == x */
+      if (is_vec_one(op_const[1]))
+         return ir->operands[0];
+
       /* pow(2,x) == exp2(x) */
       if (is_vec_two(op_const[0]))
          return expr(ir_unop_exp2, ir->operands[1]);
@@ -502,15 +547,37 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir)
 
       break;
 
+   case ir_triop_fma:
+      /* Operands are op0 * op1 + op2. */
+      if (is_vec_zero(op_const[0]) || is_vec_zero(op_const[1])) {
+         return ir->operands[2];
+      } else if (is_vec_zero(op_const[2])) {
+         return mul(ir->operands[0], ir->operands[1]);
+      } else if (is_vec_one(op_const[0])) {
+         return add(ir->operands[1], ir->operands[2]);
+      } else if (is_vec_one(op_const[1])) {
+         return add(ir->operands[0], ir->operands[2]);
+      }
+      break;
+
    case ir_triop_lrp:
       /* Operands are (x, y, a). */
       if (is_vec_zero(op_const[2])) {
          return ir->operands[0];
       } else if (is_vec_one(op_const[2])) {
          return ir->operands[1];
+      } else if (ir->operands[0]->equals(ir->operands[1])) {
+         return ir->operands[0];
       }
       break;
 
+   case ir_triop_csel:
+      if (is_vec_one(op_const[0]))
+	 return ir->operands[1];
+      if (is_vec_zero(op_const[0]))
+	 return ir->operands[2];
+      break;
+
    default:
       break;
    }
-- 
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