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freedreno/ir3: split out array_fanin() helper 

We'll need this too for relative dst..

Signed-off-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Rob Clark 2015-02-04 13:41:42 -05:00
parent 17754b70d7
commit b7703212d8
1 changed files with 30 additions and 17 deletions
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47
src/gallium/drivers/freedreno/ir3/ir3_compiler.c
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@ -606,6 +606,35 @@ static int src_array_id(struct ir3_compile_context *ctx,
return fsrc->Indirect.ArrayID + ctx->array_offsets[src->File];
}
static struct ir3_instruction *
array_fanin(struct ir3_compile_context *ctx, unsigned aid, unsigned file)
{
struct ir3_instruction *instr;
if (ctx->array[aid].fanin) {
instr = ctx->array[aid].fanin;
} else {
unsigned first = ctx->array[aid].first;
unsigned last = ctx->array[aid].last;
unsigned i, j;
instr = ir3_instr_create2(ctx->block, -1, OPC_META_FI,
1 + (4 * (last + 1 - first)));
ir3_reg_create(instr, 0, 0);
for (i = first; i <= last; i++) {
for (j = 0; j < 4; j++) {
unsigned n = regid(i, j);
ir3_reg_create(instr, 0, IR3_REG_SSA)->instr =
ssa_instr_get(ctx, file, n);
}
}
ctx->array[aid].fanin = instr;
ctx->array_dirty |= (1 << aid);
}
return instr;
}
static void
ssa_dst(struct ir3_compile_context *ctx, struct ir3_instruction *instr,
const struct tgsi_dst_register *dst, unsigned chan)
@ -628,27 +657,11 @@ ssa_src(struct ir3_compile_context *ctx, struct ir3_register *reg,
unsigned first = ctx->array[aid].first;
unsigned last = ctx->array[aid].last;
unsigned off = src->Index - first; /* vec4 offset */
unsigned i, j;
reg->size = 4 * (1 + last - first);
reg->offset = regid(off, chan);
if (ctx->array[aid].fanin) {
instr = ctx->array[aid].fanin;
} else {
instr = ir3_instr_create2(ctx->block, -1, OPC_META_FI,
1 + (4 * (last + 1 - first)));
ir3_reg_create(instr, 0, 0);
for (i = first; i <= last; i++) {
for (j = 0; j < 4; j++) {
unsigned n = regid(i, j);
ir3_reg_create(instr, 0, IR3_REG_SSA)->instr =
ssa_instr_get(ctx, src->File, n);
}
}
ctx->array[aid].fanin = instr;
ctx->array_dirty |= (1 << aid);
}
instr = array_fanin(ctx, aid, src->File);
} else {
/* normal case (not relative addressed GPR) */
instr = ssa_instr_get(ctx, src->File, regid(src->Index, chan));