Mesa (master): i965: Update expression splitting for the vector-result change to compares.

[Eric Anholt]

Module: Mesa
Branch: master
Commit: bb70bd55596fa19f5775bac98bffb567f3ba1d9f
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=bb70bd55596fa19f5775bac98bffb567f3ba1d9f

Author: Eric Anholt <eric at anholt.net>
Date:   Wed Sep 22 14:52:38 2010 -0700

i965: Update expression splitting for the vector-result change to compares.

Fixes:
glsl1-precision exp2
glsl1-precision log2

---

 .../dri/i965/brw_fs_channel_expressions.cpp        |   17 +++++++++--------
 1 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_fs_channel_expressions.cpp b/src/mesa/drivers/dri/i965/brw_fs_channel_expressions.cpp
index eba8a76..9fbf7b7 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_channel_expressions.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_channel_expressions.cpp
@@ -119,7 +119,6 @@ ir_channel_expressions_visitor::assign(ir_assignment *ir, int elem, ir_rvalue *v
 {
    ir_dereference *lhs = ir->lhs->clone(mem_ctx, NULL);
    ir_assignment *assign;
-   ir_swizzle *val_swiz;
 
    /* This assign-of-expression should have been generated by the
     * expression flattening visitor (since we never short circit to
@@ -232,6 +231,12 @@ ir_channel_expressions_visitor::visit_leave(ir_assignment *ir)
    case ir_binop_bit_and:
    case ir_binop_bit_xor:
    case ir_binop_bit_or:
+   case ir_binop_less:
+   case ir_binop_greater:
+   case ir_binop_lequal:
+   case ir_binop_gequal:
+   case ir_binop_equal:
+   case ir_binop_nequal:
       for (i = 0; i < vector_elements; i++) {
 	 ir_rvalue *op0 = get_element(op_var[0], i);
 	 ir_rvalue *op1 = get_element(op_var[1], i);
@@ -312,10 +317,6 @@ ir_channel_expressions_visitor::visit_leave(ir_assignment *ir)
       break;
    }
 
-   case ir_binop_less:
-   case ir_binop_greater:
-   case ir_binop_lequal:
-   case ir_binop_gequal:
    case ir_binop_logic_and:
    case ir_binop_logic_xor:
    case ir_binop_logic_or:
@@ -323,8 +324,8 @@ ir_channel_expressions_visitor::visit_leave(ir_assignment *ir)
       printf("\n");
       assert(!"not reached: expression operates on scalars only");
       break;
-   case ir_binop_equal:
-   case ir_binop_nequal: {
+   case ir_binop_all_equal:
+   case ir_binop_any_nequal: {
       ir_expression *last = NULL;
       for (i = 0; i < vector_elements; i++) {
 	 ir_rvalue *op0 = get_element(op_var[0], i);
@@ -332,7 +333,7 @@ ir_channel_expressions_visitor::visit_leave(ir_assignment *ir)
 	 ir_expression *temp;
 	 ir_expression_operation join;
 
-	 if (expr->operation == ir_binop_equal)
+	 if (expr->operation == ir_binop_all_equal)
 	    join = ir_binop_logic_and;
 	 else
 	    join = ir_binop_logic_or;