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cell: fix bug in emit_FRC() when src register == dst register.

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With this fix, the glsl/brick demo runs.
This commit is contained in:
Brian Paul 2008-10-10 11:52:55 -06:00
parent 086a56134f
commit dc7d213c54
1 changed files with 7 additions and 7 deletions
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14
src/gallium/drivers/cell/ppu/cell_gen_fp.c
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@ -1119,7 +1119,7 @@ emit_FRC(struct codegen *gen, const struct tgsi_full_instruction *inst)
{
int ch;
spe_comment(gen->f, -4, "FLR:");
spe_comment(gen->f, -4, "FRC:");
int zero_reg = get_itemp(gen);
spe_xor(gen->f, zero_reg, zero_reg, zero_reg);
@ -1131,18 +1131,18 @@ emit_FRC(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, tmp_reg, tmp_reg, 0);
/* d = s1 - FLR(s1) */
spe_fs(gen->f, d_reg, s1_reg, d_reg);
spe_fs(gen->f, d_reg, s1_reg, tmp_reg);
store_dest_reg(gen, d_reg, ch, &inst->FullDstRegisters[0]);
free_itemps(gen);