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i965: Let brw_flag_reg() choose the flag reg and subreg. 

We're about to start using the f0.1 subregister.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Eric Anholt 2012-12-06 10:43:13 -08:00
parent 6a1490bc8f
commit 2c69a9fb60
4 changed files with 7 additions and 7 deletions
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2
src/mesa/drivers/dri/i965/brw_blorp_blit.cpp
View File

@ -1175,7 +1175,7 @@ brw_blorp_blit_program::decode_msaa(unsigned num_samples,
void
brw_blorp_blit_program::kill_if_outside_dst_rect()
{
struct brw_reg f0 = brw_flag_reg();
struct brw_reg f0 = brw_flag_reg(0, 0);
struct brw_reg g1 = retype(brw_vec1_grf(1, 7), BRW_REGISTER_TYPE_UW);
struct brw_reg null16 = vec16(retype(brw_null_reg(), BRW_REGISTER_TYPE_UW));

2
src/mesa/drivers/dri/i965/brw_eu.c
View File

@ -70,7 +70,7 @@ void brw_set_predicate_control_flag_value( struct brw_compile *p, GLuint value )
if (value != 0xff) {
if (value != p->flag_value) {
brw_push_insn_state(p);
brw_MOV(p, brw_flag_reg(), brw_imm_uw(value));
brw_MOV(p, brw_flag_reg(0, 0), brw_imm_uw(value));
p->flag_value = value;
brw_pop_insn_state(p);
}

6
src/mesa/drivers/dri/i965/brw_eu.h
View File

@ -568,11 +568,11 @@ static INLINE struct brw_reg brw_notification_1_reg(void)
}
static INLINE struct brw_reg brw_flag_reg( void )
static INLINE struct brw_reg brw_flag_reg(int reg, int subreg)
{
return brw_uw1_reg(BRW_ARCHITECTURE_REGISTER_FILE,
BRW_ARF_FLAG,
0);
BRW_ARF_FLAG + reg,
subreg);
}

4
src/mesa/drivers/dri/i965/brw_fs_emit.cpp
View File

@ -516,7 +516,7 @@ fs_generator::generate_ddy(fs_inst *inst, struct brw_reg dst, struct brw_reg src
void
fs_generator::generate_discard(fs_inst *inst)
{
struct brw_reg f0 = brw_flag_reg();
struct brw_reg f0 = brw_flag_reg(0, 0);
if (intel->gen >= 6) {
struct brw_reg g1 = retype(brw_vec1_grf(1, 7), BRW_REGISTER_TYPE_UW);
@ -744,7 +744,7 @@ fs_generator::generate_varying_pull_constant_load_gen7(fs_inst *inst,
void
fs_generator::generate_mov_dispatch_to_flags()
{
struct brw_reg f0 = brw_flag_reg();
struct brw_reg f0 = brw_flag_reg(0, 0);
struct brw_reg g1 = retype(brw_vec1_grf(1, 7), BRW_REGISTER_TYPE_UW);
assert (intel->gen >= 6);