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Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_ppc.c')
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_ppc.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ppc.c b/src/gallium/auxiliary/tgsi/tgsi_ppc.c
index e64fb5ac916..5d130709221 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ppc.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_ppc.c
@@ -610,6 +610,7 @@ emit_unaryop(struct gen_context *gen, struct tgsi_full_instruction *inst)
ppc_vlogefp(gen->f, v1, v0); /* v1 = log2(v0) */
break;
case TGSI_OPCODE_MOV:
+ case TGSI_OPCODE_SWZ:
if (v0 != v1)
ppc_vmove(gen->f, v1, v0);
break;
@@ -1000,12 +1001,91 @@ emit_log(struct gen_context *gen, struct tgsi_full_instruction *inst)
}
+static void
+emit_pow(struct gen_context *gen, struct tgsi_full_instruction *inst)
+{
+ int s0_vec = get_src_vec(gen, inst, 0, CHAN_X);
+ int s1_vec = get_src_vec(gen, inst, 1, CHAN_X);
+ int pow_vec = ppc_allocate_vec_register(gen->f);
+ int chan;
+
+ ppc_vec_pow(gen->f, pow_vec, s0_vec, s1_vec);
+
+ FOR_EACH_DST0_ENABLED_CHANNEL(*inst, chan) {
+ emit_store(gen, pow_vec, inst, chan, FALSE);
+ }
+
+ ppc_release_vec_register(gen->f, pow_vec);
+
+ release_src_vecs(gen);
+}
+
+
+static void
+emit_xpd(struct gen_context *gen, struct tgsi_full_instruction *inst)
+{
+ int x0_vec, y0_vec, z0_vec;
+ int x1_vec, y1_vec, z1_vec;
+ int zero_vec, tmp_vec;
+ int tmp2_vec;
+
+ zero_vec = ppc_allocate_vec_register(gen->f);
+ ppc_vzero(gen->f, zero_vec);
+
+ tmp_vec = ppc_allocate_vec_register(gen->f);
+ tmp2_vec = ppc_allocate_vec_register(gen->f);
+
+ if (IS_DST0_CHANNEL_ENABLED(*inst, CHAN_Y) ||
+ IS_DST0_CHANNEL_ENABLED(*inst, CHAN_Z)) {
+ x0_vec = get_src_vec(gen, inst, 0, CHAN_X);
+ x1_vec = get_src_vec(gen, inst, 1, CHAN_X);
+ }
+ if (IS_DST0_CHANNEL_ENABLED(*inst, CHAN_X) ||
+ IS_DST0_CHANNEL_ENABLED(*inst, CHAN_Z)) {
+ y0_vec = get_src_vec(gen, inst, 0, CHAN_Y);
+ y1_vec = get_src_vec(gen, inst, 1, CHAN_Y);
+ }
+ if (IS_DST0_CHANNEL_ENABLED(*inst, CHAN_X) ||
+ IS_DST0_CHANNEL_ENABLED(*inst, CHAN_Y)) {
+ z0_vec = get_src_vec(gen, inst, 0, CHAN_Z);
+ z1_vec = get_src_vec(gen, inst, 1, CHAN_Z);
+ }
+
+ IF_IS_DST0_CHANNEL_ENABLED(*inst, CHAN_X) {
+ /* tmp = y0 * z1 */
+ ppc_vmaddfp(gen->f, tmp_vec, y0_vec, z1_vec, zero_vec);
+ /* tmp = tmp - z0 * y1*/
+ ppc_vnmsubfp(gen->f, tmp_vec, tmp_vec, z0_vec, y1_vec);
+ emit_store(gen, tmp_vec, inst, CHAN_X, FALSE);
+ }
+ IF_IS_DST0_CHANNEL_ENABLED(*inst, CHAN_Y) {
+ /* tmp = z0 * x1 */
+ ppc_vmaddfp(gen->f, tmp_vec, z0_vec, x1_vec, zero_vec);
+ /* tmp = tmp - x0 * z1 */
+ ppc_vnmsubfp(gen->f, tmp_vec, tmp_vec, x0_vec, z1_vec);
+ emit_store(gen, tmp_vec, inst, CHAN_Y, FALSE);
+ }
+ IF_IS_DST0_CHANNEL_ENABLED(*inst, CHAN_Z) {
+ /* tmp = x0 * y1 */
+ ppc_vmaddfp(gen->f, tmp_vec, x0_vec, y1_vec, zero_vec);
+ /* tmp = tmp - y0 * x1 */
+ ppc_vnmsubfp(gen->f, tmp_vec, tmp_vec, y0_vec, x1_vec);
+ emit_store(gen, tmp_vec, inst, CHAN_Z, FALSE);
+ }
+ /* W is undefined */
+
+ ppc_release_vec_register(gen->f, tmp_vec);
+ ppc_release_vec_register(gen->f, zero_vec);
+ release_src_vecs(gen);
+}
+
static int
emit_instruction(struct gen_context *gen,
struct tgsi_full_instruction *inst)
{
switch (inst->Instruction.Opcode) {
case TGSI_OPCODE_MOV:
+ case TGSI_OPCODE_SWZ:
case TGSI_OPCODE_ABS:
case TGSI_OPCODE_FLOOR:
case TGSI_OPCODE_FRAC:
@@ -1050,6 +1130,12 @@ emit_instruction(struct gen_context *gen,
case TGSI_OPCODE_EXP:
emit_exp(gen, inst);
break;
+ case TGSI_OPCODE_POW:
+ emit_pow(gen, inst);
+ break;
+ case TGSI_OPCODE_XPD:
+ emit_xpd(gen, inst);
+ break;
case TGSI_OPCODE_END:
/* normal end */
return 1;