diff options
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_gen_fp.c | 42 |
1 files changed, 38 insertions, 4 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_gen_fp.c b/src/gallium/drivers/cell/ppu/cell_gen_fp.c index 2607b410aa3..4f01897199c 100644 --- a/src/gallium/drivers/cell/ppu/cell_gen_fp.c +++ b/src/gallium/drivers/cell/ppu/cell_gen_fp.c @@ -716,8 +716,8 @@ emit_SGE(struct codegen *gen, const struct tgsi_full_instruction *inst) spe_fcgt(gen->f, d_reg, s2_reg, s1_reg); /* convert d from 0x0/0xffffffff to 0.0/1.0 */ - /* d = d & ~one_reg */ - spe_andc(gen->f, d_reg, d_reg, get_const_one_reg(gen)); + /* d = ~d & one_reg */ + spe_andc(gen->f, d_reg, get_const_one_reg(gen), d_reg); store_dest_reg(gen, d_reg, ch, &inst->FullDstRegisters[0]); free_itemps(gen); @@ -747,8 +747,8 @@ emit_SLE(struct codegen *gen, const struct tgsi_full_instruction *inst) spe_fcgt(gen->f, d_reg, s1_reg, s2_reg); /* convert d from 0x0/0xffffffff to 0.0/1.0 */ - /* d = d & ~one_reg */ - spe_andc(gen->f, d_reg, d_reg, get_const_one_reg(gen)); + /* d = ~d & one_reg */ + spe_andc(gen->f, d_reg, get_const_one_reg(gen), d_reg); store_dest_reg(gen, d_reg, ch, &inst->FullDstRegisters[0]); free_itemps(gen); @@ -822,6 +822,38 @@ emit_SNE(struct codegen *gen, const struct tgsi_full_instruction *inst) } /** + * Emit compare. See emit_SGT for comments. + */ +static boolean +emit_CMP(struct codegen *gen, const struct tgsi_full_instruction *inst) +{ + int ch; + + spe_comment(gen->f, -4, "CMP:"); + + for (ch = 0; ch < 4; ch++) { + if (inst->FullDstRegisters[0].DstRegister.WriteMask & (1 << ch)) { + int s1_reg = get_src_reg(gen, ch, &inst->FullSrcRegisters[0]); + int s2_reg = get_src_reg(gen, ch, &inst->FullSrcRegisters[1]); + int d_reg = get_dst_reg(gen, ch, &inst->FullDstRegisters[0]); + + /* d = (s1 != s2) */ + spe_fceq(gen->f, d_reg, s1_reg, s2_reg); + spe_nor(gen->f, d_reg, d_reg, d_reg); + + /* convert d from 0x0/0xffffffff to 0.0/1.0 */ + /* d = d & one_reg */ + spe_and(gen->f, d_reg, d_reg, get_const_one_reg(gen)); + + store_dest_reg(gen, d_reg, ch, &inst->FullDstRegisters[0]); + free_itemps(gen); + } + } + + return true; +} + +/** * Emit max. See emit_SGT for comments. */ static boolean @@ -1028,6 +1060,8 @@ emit_instruction(struct codegen *gen, return emit_SEQ(gen, inst); case TGSI_OPCODE_SNE: return emit_SNE(gen, inst); + case TGSI_OPCODE_CMP: + return emit_CMP(gen, inst); case TGSI_OPCODE_MAX: return emit_MAX(gen, inst); case TGSI_OPCODE_MIN: |