diff options
| author | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2011-02-23 17:29:02 +0100 |
|---|---|---|
| committer | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2011-02-24 17:35:36 +0100 |
| commit | d0caaba370cb70f426180a46e5475bf8a05ac19b (patch) | |
| tree | aab76a4d7ced16cfeae6b4c7d45611f7e270f05f /src/gallium/drivers/nvc0 | |
| parent | b0bf4ee85f01e9cbe240e49e67a947d052daa3f3 (diff) | |
nvc0: change TGSI CMP translation to use slct
Saves us the explicit compare instruction needed with selp.
Diffstat (limited to 'src/gallium/drivers/nvc0')
| -rw-r--r-- | src/gallium/drivers/nvc0/nvc0_pc_optimize.c | 13 | ||||
| -rw-r--r-- | src/gallium/drivers/nvc0/nvc0_pc_print.c | 6 | ||||
| -rw-r--r-- | src/gallium/drivers/nvc0/nvc0_tgsi_to_nc.c | 4 |
3 files changed, 15 insertions, 8 deletions
diff --git a/src/gallium/drivers/nvc0/nvc0_pc_optimize.c b/src/gallium/drivers/nvc0/nvc0_pc_optimize.c index 8b56aa427f..c5a7367a5f 100644 --- a/src/gallium/drivers/nvc0/nvc0_pc_optimize.c +++ b/src/gallium/drivers/nvc0/nvc0_pc_optimize.c @@ -245,7 +245,9 @@ check_swap_src_0_1(struct nv_instruction *nvi) struct nv_ref *src0 = nvi->src[0]; struct nv_ref *src1 = nvi->src[1]; - if (!nv_op_commutative(nvi->opcode) && NV_BASEOP(nvi->opcode) != NV_OP_SET) + if (!nv_op_commutative(nvi->opcode) && + NV_BASEOP(nvi->opcode) != NV_OP_SET && + NV_BASEOP(nvi->opcode) != NV_OP_SLCT) return; assert(src0 && src1 && src0->value && src1->value); @@ -266,8 +268,13 @@ check_swap_src_0_1(struct nv_instruction *nvi) } } - if (nvi->src[0] != src0 && NV_BASEOP(nvi->opcode) == NV_OP_SET) - nvi->set_cond = (nvi->set_cond & ~7) | cc_swapped[nvi->set_cond & 7]; + if (nvi->src[0] != src0) { + if (NV_BASEOP(nvi->opcode) == NV_OP_SET) + nvi->set_cond = (nvi->set_cond & ~7) | cc_swapped[nvi->set_cond & 7]; + else + if (NV_BASEOP(nvi->opcode) == NV_OP_SLCT) + nvi->set_cond = NV_CC_INVERSE(nvi->set_cond); + } } static void diff --git a/src/gallium/drivers/nvc0/nvc0_pc_print.c b/src/gallium/drivers/nvc0/nvc0_pc_print.c index 4088a55723..90c669cc4b 100644 --- a/src/gallium/drivers/nvc0/nvc0_pc_print.c +++ b/src/gallium/drivers/nvc0/nvc0_pc_print.c @@ -363,9 +363,9 @@ struct nv_op_info nvc0_op_info_table[NV_OP_COUNT + 1] = { NV_OP_SELP, "selp", NV_TYPE_U32, 0, 0, 0, 0, 1, 0, 0, 0 }, - { NV_OP_SLCT_F32, "slct", NV_TYPE_F32, 0, 0, 0, 0, 1, 0, 0, 0 }, - { NV_OP_SLCT_F32, "slct", NV_TYPE_S32, 0, 0, 0, 0, 1, 0, 0, 0 }, - { NV_OP_SLCT_F32, "slct", NV_TYPE_U32, 0, 0, 0, 0, 1, 0, 0, 0 }, + { NV_OP_SLCT, "slct", NV_TYPE_F32, 0, 0, 0, 0, 1, 0, 2, 2 }, + { NV_OP_SLCT, "slct", NV_TYPE_S32, 0, 0, 0, 0, 1, 0, 2, 2 }, + { NV_OP_SLCT, "slct", NV_TYPE_U32, 0, 0, 0, 0, 1, 0, 2, 2 }, { NV_OP_ADD, "sub", NV_TYPE_F32, 0, 0, 0, 0, 1, 0, 1, 0 }, diff --git a/src/gallium/drivers/nvc0/nvc0_tgsi_to_nc.c b/src/gallium/drivers/nvc0/nvc0_tgsi_to_nc.c index f7dff596c2..a44d330c73 100644 --- a/src/gallium/drivers/nvc0/nvc0_tgsi_to_nc.c +++ b/src/gallium/drivers/nvc0/nvc0_tgsi_to_nc.c @@ -1493,10 +1493,10 @@ bld_instruction(struct bld_context *bld, case TGSI_OPCODE_CMP: FOR_EACH_DST0_ENABLED_CHANNEL(c, insn) { src0 = emit_fetch(bld, insn, 0, c); - src0 = bld_setp(bld, NV_OP_SET_F32, NV_CC_LT, src0, bld->zero); src1 = emit_fetch(bld, insn, 1, c); src2 = emit_fetch(bld, insn, 2, c); - dst0[c] = bld_insn_3(bld, NV_OP_SELP, src1, src2, src0); + dst0[c] = bld_insn_3(bld, NV_OP_SLCT_F32, src1, src2, src0); + dst0[c]->insn->set_cond = NV_CC_LT; } break; case TGSI_OPCODE_COS: |