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freedreno/a3xx/compiler: implement SUB

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Signed-off-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Rob Clark 2013-09-07 19:57:04 -04:00
parent 1a42d4ee34
commit dbf041e61f
1 changed files with 11 additions and 3 deletions
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14
src/gallium/drivers/freedreno/a3xx/fd3_compiler.c
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@ -556,7 +556,10 @@ vectorize(struct fd3_compile_context *ctx, struct ir3_instruction *instr,
struct tgsi_src_register *src =
va_arg(ap, struct tgsi_src_register *);
unsigned flags = va_arg(ap, unsigned);
add_src_reg(ctx, instr, src, 0)->flags |= flags;
struct ir3_register *reg = add_src_reg(ctx, instr, src, 0);
reg->flags |= flags & ~IR3_REG_NEGATE;
if (flags & IR3_REG_NEGATE)
reg->flags ^= IR3_REG_NEGATE;
}
va_end(ap);
@ -1288,12 +1291,15 @@ instr_cat2(const struct instr_translater *t,
struct tgsi_src_register *src0 = &inst->Src[0].Register;
struct tgsi_src_register *src1 = &inst->Src[1].Register;
struct ir3_instruction *instr;
unsigned src0_flags = 0;
unsigned src0_flags = 0, src1_flags = 0;
switch (t->tgsi_opc) {
case TGSI_OPCODE_ABS:
src0_flags = IR3_REG_ABS;
break;
case TGSI_OPCODE_SUB:
src1_flags = IR3_REG_NEGATE;
break;
}
switch (t->opc) {
@ -1320,7 +1326,8 @@ instr_cat2(const struct instr_translater *t,
src0 = get_unconst(ctx, src0);
instr = ir3_instr_create(ctx->ir, 2, t->opc);
vectorize(ctx, instr, dst, 2, src0, src0_flags, src1, 0);
vectorize(ctx, instr, dst, 2, src0, src0_flags,
src1, src1_flags);
break;
}
@ -1410,6 +1417,7 @@ static const struct instr_translater translaters[TGSI_OPCODE_LAST] = {
INSTR(SQRT, instr_cat4, .opc = OPC_SQRT),
INSTR(MUL, instr_cat2, .opc = OPC_MUL_F),
INSTR(ADD, instr_cat2, .opc = OPC_ADD_F),
INSTR(SUB, instr_cat2, .opc = OPC_ADD_F),
INSTR(DP2, trans_dotp, .arg = 2),
INSTR(DP3, trans_dotp, .arg = 3),
INSTR(DP4, trans_dotp, .arg = 4),