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authorBrian Paul <brianp@vmware.com>2010-05-06 14:56:59 -0600
committerBrian Paul <brianp@vmware.com>2010-05-06 15:19:02 -0600
commit895ee712ba1e9f1c1a0e54c6a5cebc52eea47a29 (patch)
treee464ab3651335008566fd4e61c373440abf7a3b0 /src/gallium/auxiliary/tgsi/tgsi_sse2.c
parent92d88ccd9a3f68584453ba548df4fb5496a7dbf9 (diff)
tgsi: code refactoring
Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_sse2.c')
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_sse2.c50
1 files changed, 34 insertions, 16 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_sse2.c b/src/gallium/auxiliary/tgsi/tgsi_sse2.c
index 1071298b49..0820a4137e 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_sse2.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_sse2.c
@@ -2816,6 +2816,37 @@ static void soa_to_aos( struct x86_function *func,
x86_pop( func, x86_make_reg( file_REG32, reg_BX ) );
}
+
+/**
+ * Check if the instructions dst register is the same as any src
+ * register and warn if there's a posible SOA dependency.
+ */
+static void
+check_soa_dependencies(const struct tgsi_full_instruction *inst)
+{
+ switch (inst->Instruction.Opcode) {
+ case TGSI_OPCODE_XPD:
+ /* OK */
+ break;
+ default:
+ if (tgsi_check_soa_dependencies(inst)) {
+ uint opcode = inst->Instruction.Opcode;
+
+ /* XXX: we only handle src/dst aliasing in a few opcodes
+ * currently. Need to use an additional temporay to hold
+ * the result in the cases where the code is too opaque to
+ * fix.
+ */
+ if (opcode != TGSI_OPCODE_MOV) {
+ debug_printf("Warning: src/dst aliasing in instruction"
+ " is not handled:\n");
+ tgsi_dump_instruction(inst, 1);
+ }
+ }
+ }
+}
+
+
/**
* Translate a TGSI vertex/fragment shader to SSE2 code.
* Slightly different things are done for vertex vs. fragment shaders.
@@ -2905,27 +2936,14 @@ tgsi_emit_sse2(
if (!ok) {
uint opcode = parse.FullToken.FullInstruction.Instruction.Opcode;
+ uint proc = parse.FullHeader.Processor.Processor;
debug_printf("failed to translate tgsi opcode %d (%s) to SSE (%s)\n",
opcode,
tgsi_get_opcode_name(opcode),
- parse.FullHeader.Processor.Processor == TGSI_PROCESSOR_VERTEX ?
- "vertex shader" : "fragment shader");
+ tgsi_get_processor_name(proc));
}
- if (tgsi_check_soa_dependencies(&parse.FullToken.FullInstruction)) {
- uint opcode = parse.FullToken.FullInstruction.Instruction.Opcode;
-
- /* XXX: we only handle src/dst aliasing in a few opcodes
- * currently. Need to use an additional temporay to hold
- * the result in the cases where the code is too opaque to
- * fix.
- */
- if (opcode != TGSI_OPCODE_MOV) {
- debug_printf("Warning: src/dst aliasing in instruction"
- " is not handled:\n");
- tgsi_dump_instruction(&parse.FullToken.FullInstruction, 1);
- }
- }
+ check_soa_dependencies(&parse.FullToken.FullInstruction);
break;
case TGSI_TOKEN_TYPE_IMMEDIATE: