summaryrefslogtreecommitdiff
path: root/src/gallium
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/drivers/cell/ppu/cell_gen_fp.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_gen_fp.c b/src/gallium/drivers/cell/ppu/cell_gen_fp.c
index d2376aa0c2..1bc803d590 100644
--- a/src/gallium/drivers/cell/ppu/cell_gen_fp.c
+++ b/src/gallium/drivers/cell/ppu/cell_gen_fp.c
@@ -886,7 +886,45 @@ emit_FLR(struct codegen *gen, const struct tgsi_full_instruction *inst)
/* Convert int to float */
spe_csflt(gen->f, d_reg, d_reg, 0);
+ store_dest_reg(gen, d_reg, ch, &inst->FullDstRegisters[0]);
+ free_itemps(gen);
+ }
+ }
+
+ return true;
+}
+
+/**
+ * Emit frac.
+ * Input - FLR(Input)
+ */
+static boolean
+emit_FRC(struct codegen *gen, const struct tgsi_full_instruction *inst)
+{
+ int ch;
+
+ spe_comment(gen->f, -4, "FLR:");
+
+ for (ch = 0; ch < 4; ch++) {
+ if (inst->FullDstRegisters[0].DstRegister.WriteMask & (1 << ch)) {
+ int s1_reg = get_src_reg(gen, ch, &inst->FullSrcRegisters[0]);
+ int d_reg = get_dst_reg(gen, ch, &inst->FullDstRegisters[0]);
+ int tmp_reg = get_itemp(gen);
+ /* If negative, subtract 1.0 */
+ spe_xor(gen->f, tmp_reg, tmp_reg, tmp_reg);
+ spe_fcgt(gen->f, d_reg, tmp_reg, s1_reg);
+ spe_selb(gen->f, tmp_reg, tmp_reg, get_const_one_reg(gen), d_reg);
+ spe_fs(gen->f, d_reg, s1_reg, tmp_reg);
+
+ /* Convert float to int */
+ spe_cflts(gen->f, d_reg, d_reg, 0);
+
+ /* Convert int to float */
+ spe_csflt(gen->f, d_reg, d_reg, 0);
+
+ /* d = s1 - FLR(s1) */
+ spe_fs(gen->f, d_reg, s1_reg, d_reg);
store_dest_reg(gen, d_reg, ch, &inst->FullDstRegisters[0]);
free_itemps(gen);
@@ -896,6 +934,7 @@ emit_FLR(struct codegen *gen, const struct tgsi_full_instruction *inst)
return true;
}
+
/**
* Emit max. See emit_SGT for comments.
*/
@@ -1111,6 +1150,8 @@ emit_instruction(struct codegen *gen,
return emit_MIN(gen, inst);
case TGSI_OPCODE_FLR:
return emit_FLR(gen, inst);
+ case TGSI_OPCODE_FRC:
+ return emit_FRC(gen, inst);
case TGSI_OPCODE_END:
return emit_END(gen);