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i965/vec4: Make sure that imm writes are to registers in the same file.

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Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=87887
This commit is contained in:
Matt Turner 2015-01-12 10:48:04 -08:00
parent 3654b6d43c
commit 41d9f232b6
1 changed files with 8 additions and 2 deletions
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10
src/mesa/drivers/dri/i965/brw_vec4.cpp
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@ -341,15 +341,21 @@ vec4_visitor::opt_vector_float()
{
bool progress = false;
int last_reg = -1;
int last_reg = -1, last_reg_offset = -1;
enum register_file last_reg_file = BAD_FILE;
int remaining_channels;
uint8_t imm[4];
int inst_count;
vec4_instruction *imm_inst[4];
foreach_block_and_inst_safe(block, vec4_instruction, inst, cfg) {
if (last_reg != inst->dst.reg) {
if (last_reg != inst->dst.reg ||
last_reg_offset != inst->dst.reg_offset ||
last_reg_file != inst->dst.file) {
last_reg = inst->dst.reg;
last_reg_offset = inst->dst.reg_offset;
last_reg_file = inst->dst.file;
remaining_channels = WRITEMASK_XYZW;
inst_count = 0;