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tgsi_exec: Roll the loops for condmask handling.

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No need to hand-unroll this, the compiler will do it.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9347>
This commit is contained in:
Eric Anholt 2021-03-01 12:19:48 -08:00 • committed by Marge Bot
parent ac6aad3d59
commit 3429c83f87
1 changed files with 6 additions and 24 deletions
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30
src/gallium/auxiliary/tgsi/tgsi_exec.c
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@ -5489,18 +5489,9 @@ exec_instruction(
assert(mach->CondStackTop < TGSI_EXEC_MAX_COND_NESTING);
mach->CondStack[mach->CondStackTop++] = mach->CondMask;
FETCH( &r[0], 0, TGSI_CHAN_X );
/* update CondMask */
if( ! r[0].f[0] ) {
mach->CondMask &= ~0x1;
}
if( ! r[0].f[1] ) {
mach->CondMask &= ~0x2;
}
if( ! r[0].f[2] ) {
mach->CondMask &= ~0x4;
}
if( ! r[0].f[3] ) {
mach->CondMask &= ~0x8;
for (int i = 0; i < TGSI_QUAD_SIZE; i++) {
if (!r[0].f[i])
mach->CondMask &= ~(1 << i);
}
UPDATE_EXEC_MASK(mach);
/* Todo: If CondMask==0, jump to ELSE */
@ -5511,18 +5502,9 @@ exec_instruction(
assert(mach->CondStackTop < TGSI_EXEC_MAX_COND_NESTING);
mach->CondStack[mach->CondStackTop++] = mach->CondMask;
IFETCH( &r[0], 0, TGSI_CHAN_X );
/* update CondMask */
if( ! r[0].u[0] ) {
mach->CondMask &= ~0x1;
}
if( ! r[0].u[1] ) {
mach->CondMask &= ~0x2;
}
if( ! r[0].u[2] ) {
mach->CondMask &= ~0x4;
}
if( ! r[0].u[3] ) {
mach->CondMask &= ~0x8;
for (int i = 0; i < TGSI_QUAD_SIZE; i++) {
if (!r[0].u[i])
mach->CondMask &= ~(1 << i);
}
UPDATE_EXEC_MASK(mach);
/* Todo: If CondMask==0, jump to ELSE */