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gallium: emit comments in TGSI->PPC codegen

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This commit is contained in:
Brian Paul
2009-01-09 21:46:08 -07:00
parent 2ebd969f0f
commit 1922ea965a
1 changed files with 90 additions and 2 deletions
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src/gallium/auxiliary/tgsi/tgsi_ppc.c
+90 -2
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@@ -555,6 +555,18 @@ emit_scalar_unaryop(struct gen_context *gen, struct tgsi_full_instruction *inst)
int v0, v1;
uint chan_index;
switch (inst->Instruction.Opcode) {
case TGSI_OPCODE_RSQ:
ppc_comment(gen->f, -4, "RSQ:");
break;
case TGSI_OPCODE_RCP:
ppc_comment(gen->f, -4, "LCP:");
break;
default:
assert(0);
}
v0 = get_src_vec(gen, inst, 0, CHAN_X);
v1 = ppc_allocate_vec_register(gen->f);
@@ -584,6 +596,33 @@ static void
emit_unaryop(struct gen_context *gen, struct tgsi_full_instruction *inst)
{
uint chan_index;
switch (inst->Instruction.Opcode) {
case TGSI_OPCODE_ABS:
ppc_comment(gen->f, -4, "ABS:");
break;
case TGSI_OPCODE_FLOOR:
ppc_comment(gen->f, -4, "FLOOR:");
break;
case TGSI_OPCODE_FRAC:
ppc_comment(gen->f, -4, "FRAC:");
break;
case TGSI_OPCODE_EXPBASE2:
ppc_comment(gen->f, -4, "EXPBASE2:");
break;
case TGSI_OPCODE_LOGBASE2:
ppc_comment(gen->f, -4, "LOGBASE2:");
break;
case TGSI_OPCODE_MOV:
ppc_comment(gen->f, -4, "MOV:");
break;
case TGSI_OPCODE_SWZ:
ppc_comment(gen->f, -4, "SWZ:");
break;
default:
assert(0);
}
FOR_EACH_DST0_ENABLED_CHANNEL(*inst, chan_index) {
int v0 = get_src_vec(gen, inst, 0, chan_index); /* v0 = srcreg[0] */
int v1 = get_dst_vec(gen, inst, chan_index);
@@ -630,6 +669,26 @@ emit_binop(struct gen_context *gen, struct tgsi_full_instruction *inst)
int zero_vec = -1;
uint chan;
switch (inst->Instruction.Opcode) {
case TGSI_OPCODE_ADD:
ppc_comment(gen->f, -4, "ADD:");
break;
case TGSI_OPCODE_SUB:
ppc_comment(gen->f, -4, "SUB:");
break;
case TGSI_OPCODE_MUL:
ppc_comment(gen->f, -4, "MUL:");
break;
case TGSI_OPCODE_MIN:
ppc_comment(gen->f, -4, "MIN:");
break;
case TGSI_OPCODE_MAX:
ppc_comment(gen->f, -4, "MAX:");
break;
default:
assert(0);
}
if (inst->Instruction.Opcode == TGSI_OPCODE_MUL) {
zero_vec = ppc_allocate_vec_register(gen->f);
ppc_vzero(gen->f, zero_vec);
@@ -678,6 +737,17 @@ emit_triop(struct gen_context *gen, struct tgsi_full_instruction *inst)
{
uint chan;
switch (inst->Instruction.Opcode) {
case TGSI_OPCODE_MAD:
ppc_comment(gen->f, -4, "MAD:");
break;
case TGSI_OPCODE_LRP:
ppc_comment(gen->f, -4, "LRP:");
break;
default:
assert(0);
}
FOR_EACH_DST0_ENABLED_CHANNEL(*inst, chan) {
/* fetch src operands */
int v0 = get_src_vec(gen, inst, 0, chan);
@@ -768,9 +838,23 @@ emit_dotprod(struct gen_context *gen, struct tgsi_full_instruction *inst)
int v0, v1, v2;
uint chan_index;
switch (inst->Instruction.Opcode) {
case TGSI_OPCODE_DP3:
ppc_comment(gen->f, -4, "DP3:");
break;
case TGSI_OPCODE_DP4:
ppc_comment(gen->f, -4, "DP4:");
break;
case TGSI_OPCODE_DPH:
ppc_comment(gen->f, -4, "DPH:");
break;
default:
assert(0);
}
v2 = ppc_allocate_vec_register(gen->f);
ppc_vxor(gen->f, v2, v2, v2); /* v2 = {0, 0, 0, 0} */
ppc_vzero(gen->f, v2); /* v2 = {0, 0, 0, 0} */
v0 = get_src_vec(gen, inst, 0, CHAN_X); /* v0 = src0.XXXX */
v1 = get_src_vec(gen, inst, 1, CHAN_X); /* v1 = src1.XXXX */
@@ -812,10 +896,11 @@ ppc_vec_pow(struct ppc_function *f, int vr, int va, int vb)
int t_vec = ppc_allocate_vec_register(f);
int zero_vec = ppc_allocate_vec_register(f);
ppc_comment(f, -4, "POW:");
ppc_vzero(f, zero_vec);
ppc_vlogefp(f, t_vec, va); /* t = log2(va) */
ppc_vmaddfp(f, t_vec, t_vec, vb, zero_vec); /* t = t * vb */
ppc_vmaddfp(f, t_vec, t_vec, vb, zero_vec); /* t = t * vb + zero */
ppc_vexptefp(f, vr, t_vec); /* vr = 2^t */
ppc_release_vec_register(f, t_vec);
@@ -1221,9 +1306,12 @@ emit_prologue(struct ppc_function *func)
static void
emit_epilogue(struct ppc_function *func)
{
ppc_comment(func, -4, "Epilogue:");
ppc_return(func);
/* XXX restore prev stack frame */
#if 0
debug_printf("PPC: Emitted %u instructions\n", func->num_inst);
#endif
}