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authorBrian <[email protected]>2007-02-08 15:09:47 -0700
committerBrian <[email protected]>2007-02-08 15:09:47 -0700
commit6230ae7faf46e0ebcb4807df051c8b50482089dd (patch)
treeecb1f8e0109aae2d8830c0958a81209d0d37b041 /src/mesa/shader
parenta1c2e87c4b7958b0f1a884bba893153b382973df (diff)
cont at top of loop, little clean-ups
Diffstat (limited to 'src/mesa/shader')
-rw-r--r--src/mesa/shader/slang/slang_emit.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c
index e5727120267..c43f79cc727 100644
--- a/src/mesa/shader/slang/slang_emit.c
+++ b/src/mesa/shader/slang/slang_emit.c
@@ -40,7 +40,7 @@
#define PEEPHOLE_OPTIMIZATIONS 1
-#define ANNOTATE 1
+#define ANNOTATE 0
static GLboolean EmitHighLevelInstructions = GL_TRUE;
@@ -59,7 +59,7 @@ typedef struct
-static slang_ir_info IrInfo[] = {
+static const slang_ir_info IrInfo[] = {
/* binary ops */
{ IR_ADD, "IR_ADD", OPCODE_ADD, 4, 2 },
{ IR_SUB, "IR_SUB", OPCODE_SUB, 4, 2 },
@@ -124,7 +124,7 @@ static slang_ir_info IrInfo[] = {
};
-static slang_ir_info *
+static const slang_ir_info *
slang_find_ir_info(slang_ir_opcode opcode)
{
GLuint i;
@@ -334,6 +334,11 @@ slang_print_ir(const slang_ir_node *n, int indent)
break;
case IR_BREAK_IF_FALSE:
printf("BREAK_IF_FALSE\n");
+ slang_print_ir(n->Children[0], indent+3);
+ break;
+ case IR_BREAK_IF_TRUE:
+ printf("BREAK_IF_TRUE\n");
+ slang_print_ir(n->Children[0], indent+3);
break;
case IR_VAR:
@@ -1157,11 +1162,13 @@ emit_loop(slang_var_table *vt, slang_ir_node *n, struct gl_program *prog)
*/
for (ir = n->BranchNode; ir; ir = ir->BranchNode) {
struct prog_instruction *inst = prog->Instructions + ir->InstLocation;
+ assert(inst->BranchTarget < 0);
if (ir->Opcode == IR_BREAK ||
ir->Opcode == IR_BREAK_IF_FALSE ||
ir->Opcode == IR_BREAK_IF_TRUE) {
assert(inst->Opcode == OPCODE_BRK ||
inst->Opcode == OPCODE_BRA);
+ /* go to instruction after end of loop */
inst->BranchTarget = endInstLoc + 1;
}
else {
@@ -1170,8 +1177,8 @@ emit_loop(slang_var_table *vt, slang_ir_node *n, struct gl_program *prog)
ir->Opcode == IR_CONT_IF_TRUE);
assert(inst->Opcode == OPCODE_CONT ||
inst->Opcode == OPCODE_BRA);
- /* XXX goto top of loop instead! */
- inst->BranchTarget = endInstLoc;
+ /* to go instruction at top of loop */
+ inst->BranchTarget = beginInstLoc;
}
}
return NULL;