From e43af05311acd979f43a75f8ba4d9152b453408e Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Fri, 10 Oct 2008 11:56:03 -0600 Subject: [PATCH] cell: fix bug in emit_FLR() when src reg == dst reg --- src/gallium/drivers/cell/ppu/cell_gen_fp.c | 13 ++++++------- 1 file changed, 6 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 dad74bbad86..7a4e8d20ba2 100644 --- a/src/gallium/drivers/cell/ppu/cell_gen_fp.c +++ b/src/gallium/drivers/cell/ppu/cell_gen_fp.c @@ -1092,15 +1092,15 @@ emit_FLR(struct codegen *gen, const struct tgsi_full_instruction *inst) int tmp_reg = get_itemp(gen); /* If negative, subtract 1.0 */ - spe_fcgt(gen->f, d_reg, zero_reg, s1_reg); - spe_selb(gen->f, tmp_reg, zero_reg, get_const_one_reg(gen), d_reg); - spe_fs(gen->f, d_reg, s1_reg, tmp_reg); + spe_fcgt(gen->f, tmp_reg, zero_reg, s1_reg); + spe_selb(gen->f, tmp_reg, zero_reg, get_const_one_reg(gen), tmp_reg); + spe_fs(gen->f, tmp_reg, s1_reg, tmp_reg); /* Convert float to int */ - spe_cflts(gen->f, d_reg, d_reg, 0); + spe_cflts(gen->f, tmp_reg, tmp_reg, 0); /* Convert int to float */ - spe_csflt(gen->f, d_reg, d_reg, 0); + spe_csflt(gen->f, d_reg, tmp_reg, 0); store_dest_reg(gen, d_reg, ch, &inst->FullDstRegisters[0]); free_itemps(gen); @@ -1111,8 +1111,7 @@ emit_FLR(struct codegen *gen, const struct tgsi_full_instruction *inst) } /** - * Emit frac. - * Input - FLR(Input) + * Compute frac = Input - FLR(Input) */ static boolean emit_FRC(struct codegen *gen, const struct tgsi_full_instruction *inst) -- 2.30.2