diff options
Diffstat (limited to 'src/gallium/drivers/cell/ppu')
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_gen_fp.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_gen_fp.c b/src/gallium/drivers/cell/ppu/cell_gen_fp.c index d2376aa0c2..1bc803d590 100644 --- a/src/gallium/drivers/cell/ppu/cell_gen_fp.c +++ b/src/gallium/drivers/cell/ppu/cell_gen_fp.c @@ -886,7 +886,45 @@ emit_FLR(struct codegen *gen, const struct tgsi_full_instruction *inst) /* Convert int to float */ spe_csflt(gen->f, d_reg, d_reg, 0); + store_dest_reg(gen, d_reg, ch, &inst->FullDstRegisters[0]); + free_itemps(gen); + } + } + + return true; +} + +/** + * Emit frac. + * Input - FLR(Input) + */ +static boolean +emit_FRC(struct codegen *gen, const struct tgsi_full_instruction *inst) +{ + int ch; + + spe_comment(gen->f, -4, "FLR:"); + + 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 d_reg = get_dst_reg(gen, ch, &inst->FullDstRegisters[0]); + int tmp_reg = get_itemp(gen); + /* If negative, subtract 1.0 */ + spe_xor(gen->f, tmp_reg, tmp_reg, tmp_reg); + spe_fcgt(gen->f, d_reg, tmp_reg, s1_reg); + spe_selb(gen->f, tmp_reg, tmp_reg, get_const_one_reg(gen), d_reg); + spe_fs(gen->f, d_reg, s1_reg, tmp_reg); + + /* Convert float to int */ + spe_cflts(gen->f, d_reg, d_reg, 0); + + /* Convert int to float */ + spe_csflt(gen->f, d_reg, d_reg, 0); + + /* d = s1 - FLR(s1) */ + spe_fs(gen->f, d_reg, s1_reg, d_reg); store_dest_reg(gen, d_reg, ch, &inst->FullDstRegisters[0]); free_itemps(gen); @@ -896,6 +934,7 @@ emit_FLR(struct codegen *gen, const struct tgsi_full_instruction *inst) return true; } + /** * Emit max. See emit_SGT for comments. */ @@ -1111,6 +1150,8 @@ emit_instruction(struct codegen *gen, return emit_MIN(gen, inst); case TGSI_OPCODE_FLR: return emit_FLR(gen, inst); + case TGSI_OPCODE_FRC: + return emit_FRC(gen, inst); case TGSI_OPCODE_END: return emit_END(gen); |