Mesa (gallium-0.2): cell: fix bug in emit_FRC() when src register == dst register.

[Brian Paul]

Module: Mesa
Branch: gallium-0.2
Commit: dc7d213c54b046ec03ddb1fcfb0d9d9e905ffedc
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=dc7d213c54b046ec03ddb1fcfb0d9d9e905ffedc

Author: Brian Paul <brian.paul at tungstengraphics.com>
Date:   Fri Oct 10 11:52:55 2008 -0600

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

With this fix, the glsl/brick demo runs.

---

 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 c8125a8..dad74bb 100644
--- a/src/gallium/drivers/cell/ppu/cell_gen_fp.c
+++ b/src/gallium/drivers/cell/ppu/cell_gen_fp.c
@@ -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);