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i965/vec4/nir: fix emitting 64-bit immediates 

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Iago Toral Quiroga 2015-08-13 15:30:34 -07:00 committed by Samuel Iglesias Gonsálvez
parent 3457252b74
commit 9ce4b20bde
1 changed files with 18 additions and 4 deletions
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22
src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
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@ -352,8 +352,15 @@ vec4_visitor::get_indirect_offset(nir_intrinsic_instr *instr)
void
vec4_visitor::nir_emit_load_const(nir_load_const_instr *instr)
{
dst_reg reg = dst_reg(VGRF, alloc.allocate(1));
reg.type = BRW_REGISTER_TYPE_D;
dst_reg reg;
if (instr->def.bit_size == 64) {
reg = dst_reg(VGRF, alloc.allocate(2));
reg.type = BRW_REGISTER_TYPE_DF;
} else {
reg = dst_reg(VGRF, alloc.allocate(1));
reg.type = BRW_REGISTER_TYPE_D;
}
unsigned remaining = brw_writemask_for_size(instr->def.num_components);
@ -368,13 +375,20 @@ vec4_visitor::nir_emit_load_const(nir_load_const_instr *instr)
continue;
for (unsigned j = i; j < instr->def.num_components; j++) {
if (instr->value.u32[i] == instr->value.u32[j]) {
if ((instr->def.bit_size == 32 &&
instr->value.u32[i] == instr->value.u32[j]) ||
(instr->def.bit_size == 64 &&
instr->value.f64[i] == instr->value.f64[j])) {
writemask |= 1 << j;
}
}
reg.writemask = writemask;
emit(MOV(reg, brw_imm_d(instr->value.i32[i])));
if (instr->def.bit_size == 64) {
emit(MOV(reg, brw_imm_df(instr->value.f64[i])));
} else {
emit(MOV(reg, brw_imm_d(instr->value.i32[i])));
}
remaining &= ~writemask;
}