From 698bffb8844f6f45e09ed0c9fea39298ac6423d2 Mon Sep 17 00:00:00 2001 From: Jonathan White Date: Thu, 18 Sep 2008 14:49:00 -0600 Subject: [PATCH] cell: Added CMP instruction --- src/gallium/drivers/cell/ppu/cell_gen_fp.c | 14 +++++++------- 1 file 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 4f01897..6f2b89c 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); -- 2.7.4