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tgsi: Implement EXP opcode for SSE2.

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This commit is contained in:
Michal Krol 2008-08-19 11:47:30 +02:00
parent 7f2d349b2d
commit 0d9d2045e8
2 changed files with 53 additions and 19 deletions
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8
src/gallium/auxiliary/tgsi/tgsi_exec.c
View file

@ -1756,18 +1756,18 @@ exec_instruction(
micro_flr( &r[1], &r[0] ); /* r1 = floor(r0) */
if (IS_CHANNEL_ENABLED( *inst, CHAN_X )) {
micro_exp2( &r[2], &r[1] ); /* r2 = 2 ^ r1 */
STORE( &r[2], 0, CHAN_X ); /* store r2 */
STORE( &r[2], 0, CHAN_X ); /* store r2 */
}
if (IS_CHANNEL_ENABLED( *inst, CHAN_Y )) {
micro_sub( &r[2], &r[0], &r[1] ); /* r2 = r0 - r1 */
STORE( &r[2], 0, CHAN_Y ); /* store r2 */
STORE( &r[2], 0, CHAN_Y ); /* store r2 */
}
if (IS_CHANNEL_ENABLED( *inst, CHAN_Z )) {
micro_exp2( &r[2], &r[0] ); /* r2 = 2 ^ r0 */
STORE( &r[2], 0, CHAN_Z ); /* store r2 */
STORE( &r[2], 0, CHAN_Z ); /* store r2 */
}
if (IS_CHANNEL_ENABLED( *inst, CHAN_W )) {
STORE( &mach->Temps[TEMP_1_I].xyzw[TEMP_1_C], 0, CHAN_W );
STORE( &mach->Temps[TEMP_1_I].xyzw[TEMP_1_C], 0, CHAN_W );
}
break;

64
src/gallium/auxiliary/tgsi/tgsi_sse2.c
View file

@ -61,6 +61,9 @@
#define CHAN_Z 2
#define CHAN_W 3
#define TEMP_ONE_I TGSI_EXEC_TEMP_ONE_I
#define TEMP_ONE_C TGSI_EXEC_TEMP_ONE_C
#define TEMP_R0 TGSI_EXEC_TEMP_R0
#define TEMP_ADDR TGSI_EXEC_TEMP_ADDR
@ -958,8 +961,8 @@ emit_fetch(
emit_tempf(
func,
xmm,
TGSI_EXEC_TEMP_ONE_I,
TGSI_EXEC_TEMP_ONE_C );
TEMP_ONE_I,
TEMP_ONE_C );
break;
default:
@ -1173,8 +1176,8 @@ emit_setcc(
func,
make_xmm( 0 ),
get_temp(
TGSI_EXEC_TEMP_ONE_I,
TGSI_EXEC_TEMP_ONE_C ) );
TEMP_ONE_I,
TEMP_ONE_C ) );
STORE( func, *inst, 0, 0, chan_index );
}
}
@ -1243,8 +1246,8 @@ emit_instruction(
emit_tempf(
func,
0,
TGSI_EXEC_TEMP_ONE_I,
TGSI_EXEC_TEMP_ONE_C);
TEMP_ONE_I,
TEMP_ONE_C);
if( IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) ) {
STORE( func, *inst, 0, 0, CHAN_X );
}
@ -1329,7 +1332,38 @@ emit_instruction(
break;
case TGSI_OPCODE_EXP:
return 0;
if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) ||
IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y ) ||
IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Z )) {
FETCH( func, *inst, 0, 0, CHAN_X );
if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X ) ||
IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y )) {
emit_MOV( func, 1, 0 );
emit_flr( func, 1 );
/* dst.x = ex2(floor(src.x)) */
if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_X )) {
emit_MOV( func, 2, 1 );
emit_ex2( func, 2 );
STORE( func, *inst, 2, 0, CHAN_X );
}
/* dst.y = src.x - floor(src.x) */
if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y )) {
emit_MOV( func, 2, 0 );
emit_sub( func, 2, 1 );
STORE( func, *inst, 2, 0, CHAN_Y );
}
}
/* dst.z = ex2(src.x) */
if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Z )) {
emit_ex2( func, 0 );
STORE( func, *inst, 0, 0, CHAN_Z );
}
}
/* dst.w = 1.0 */
if (IS_DST0_CHANNEL_ENABLED( *inst, CHAN_W )) {
emit_tempf( func, 0, TEMP_ONE_I, TEMP_ONE_C );
STORE( func, *inst, 0, 0, CHAN_W );
}
break;
case TGSI_OPCODE_LOG:
@ -1399,8 +1433,8 @@ emit_instruction(
emit_tempf(
func,
0,
TGSI_EXEC_TEMP_ONE_I,
TGSI_EXEC_TEMP_ONE_C );
TEMP_ONE_I,
TEMP_ONE_C );
STORE( func, *inst, 0, 0, CHAN_X );
}
IF_IS_DST0_CHANNEL_ENABLED( *inst, CHAN_Y ) {
@ -1603,8 +1637,8 @@ emit_instruction(
emit_tempf(
func,
0,
TGSI_EXEC_TEMP_ONE_I,
TGSI_EXEC_TEMP_ONE_C );
TEMP_ONE_I,
TEMP_ONE_C );
STORE( func, *inst, 0, 0, CHAN_W );
}
break;
@ -1731,8 +1765,8 @@ emit_instruction(
emit_tempf(
func,
0,
TGSI_EXEC_TEMP_ONE_I,
TGSI_EXEC_TEMP_ONE_C );
TEMP_ONE_I,
TEMP_ONE_C );
FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
STORE( func, *inst, 0, 0, chan_index );
}
@ -1820,8 +1854,8 @@ emit_instruction(
emit_tempf(
func,
0,
TGSI_EXEC_TEMP_ONE_I,
TGSI_EXEC_TEMP_ONE_C );
TEMP_ONE_I,
TEMP_ONE_C );
STORE( func, *inst, 0, 0, CHAN_W );
}
break;