diff options
author | Jonathan White <jwhite@tungstengraphics.com> | 2008-09-18 14:49:00 -0600 |
---|---|---|
committer | Jonathan White <jwhite@tungstengraphics.com> | 2008-09-18 14:49:34 -0600 |
commit | 698bffb8844f6f45e09ed0c9fea39298ac6423d2 (patch) | |
tree | 2b0138c1b795f86ffee51787e5363ffc585c38f9 | |
parent | a8d1521f30766b6a4707aa9966e1f2f9c0b3ac00 (diff) |
cell: Added CMP instruction
-rw-r--r-- | src/gallium/drivers/cell/ppu/cell_gen_fp.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_gen_fp.c b/src/gallium/drivers/cell/ppu/cell_gen_fp.c index 4f01897199..6f2b89c695 100644 --- a/src/gallium/drivers/cell/ppu/cell_gen_fp.c +++ b/src/gallium/drivers/cell/ppu/cell_gen_fp.c @@ -835,15 +835,15 @@ emit_CMP(struct codegen *gen, const struct tgsi_full_instruction *inst) 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 s3_reg = get_src_reg(gen, ch, &inst->FullSrcRegisters[2]); int d_reg = get_dst_reg(gen, ch, &inst->FullDstRegisters[0]); + int zero_reg = get_itemp(gen); + + spe_xor(gen->f, zero_reg, zero_reg, zero_reg); - /* 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)); + /* d = (s1 < 0) ? s2 : s3 */ + spe_fcgt(gen->f, d_reg, zero_reg, s1_reg); + spe_selb(gen->f, d_reg, s3_reg, s2_reg, d_reg); store_dest_reg(gen, d_reg, ch, &inst->FullDstRegisters[0]); free_itemps(gen); |