diff options
| author | Brian <brian@nostromo.localnet.net> | 2007-02-08 15:09:47 -0700 |
|---|---|---|
| committer | Brian <brian@nostromo.localnet.net> | 2007-02-08 15:09:47 -0700 |
| commit | 6230ae7faf46e0ebcb4807df051c8b50482089dd (patch) | |
| tree | ecb1f8e0109aae2d8830c0958a81209d0d37b041 /src | |
| parent | a1c2e87c4b7958b0f1a884bba893153b382973df (diff) | |
cont at top of loop, little clean-ups
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/shader/slang/slang_emit.c | 17 |
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 e572712026..c43f79cc72 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; |