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authorJonathan White <jwhite@tungstengraphics.com>2008-09-16 09:36:38 -0600
committerJonathan White <jwhite@tungstengraphics.com>2008-09-16 09:36:47 -0600
commit2c54a6ee798ae22f92ef1fc4a1658ec5e701388a (patch)
treef03a181e5cfc6663d6a06f2ecb28e419ea5c8fa3 /src/gallium/drivers
parent32250eb959b1355b2f6984ea892a86a6ecf9d3c3 (diff)
cell: Fixed MIN/MAX algorithm
Diffstat (limited to 'src/gallium/drivers')
-rw-r--r--src/gallium/drivers/cell/ppu/cell_gen_fp.c10
1 files changed, 3 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 98ee5af279..612749507b 100644
--- a/src/gallium/drivers/cell/ppu/cell_gen_fp.c
+++ b/src/gallium/drivers/cell/ppu/cell_gen_fp.c
@@ -657,9 +657,7 @@ emit_MAX(struct codegen *gen, const struct tgsi_full_instruction *inst)
/* d = (s1 > s2) ? s1 : s2 */
spe_fcgt(gen->f, d_reg, s1_reg, s2_reg);
- spe_and(gen->f, d_reg, d_reg, s1_reg);
- spe_nor(gen->f, d_reg, d_reg, d_reg);
- spe_and(gen->f, d_reg, d_reg, s2_reg);
+ spe_selb(gen->f, d_reg, s2_reg, s1_reg, d_reg);
store_dest_reg(gen, d_reg, ch, &inst->FullDstRegisters[0]);
free_itemps(gen);
@@ -685,11 +683,9 @@ emit_MIN(struct codegen *gen, const struct tgsi_full_instruction *inst)
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) ? s1 : s2 */
+ /* d = (s2 > s1) ? s1 : s2 */
spe_fcgt(gen->f, d_reg, s2_reg, s1_reg);
- spe_and(gen->f, d_reg, d_reg, s1_reg);
- spe_nor(gen->f, d_reg, d_reg, d_reg);
- spe_and(gen->f, d_reg, d_reg, s2_reg);
+ spe_selb(gen->f, d_reg, s2_reg, s1_reg, d_reg);
store_dest_reg(gen, d_reg, ch, &inst->FullDstRegisters[0]);
free_itemps(gen);