diff options
Diffstat (limited to 'src/gallium/drivers/freedreno')
| -rw-r--r-- | src/gallium/drivers/freedreno/ir3/ir3_compiler.c | 76 |
1 files changed, 39 insertions, 37 deletions
diff --git a/src/gallium/drivers/freedreno/ir3/ir3_compiler.c b/src/gallium/drivers/freedreno/ir3/ir3_compiler.c index 5cae5c736f6..bb49e8b8fb1 100644 --- a/src/gallium/drivers/freedreno/ir3/ir3_compiler.c +++ b/src/gallium/drivers/freedreno/ir3/ir3_compiler.c @@ -1477,9 +1477,6 @@ trans_cmp(const struct instr_translater *t, * USLT(a,b) = (a < b) ? ~0 : 0 * cmps.u32.lt dst, a, b * - * UCMP(a,b,c) = (a < 0) ? b : c - * cmps.u32.lt tmp0, a, {0} - * sel.b16 dst, b, tmp0, c */ static void trans_icmp(const struct instr_translater *t, @@ -1488,8 +1485,9 @@ trans_icmp(const struct instr_translater *t, { struct ir3_instruction *instr; struct tgsi_dst_register *dst = get_dst(ctx, inst); - struct tgsi_src_register constval0; - struct tgsi_src_register *a0, *a1, *a2; + struct tgsi_dst_register tmp_dst; + struct tgsi_src_register *tmp_src; + struct tgsi_src_register *a0, *a1; unsigned condition; a0 = &inst->Src[0].Register; /* a */ @@ -1510,12 +1508,6 @@ trans_icmp(const struct instr_translater *t, case TGSI_OPCODE_USLT: condition = IR3_COND_LT; break; - case TGSI_OPCODE_UCMP: - get_immediate(ctx, &constval0, 0); - a0 = &inst->Src[0].Register; /* a */ - a1 = &constval0; /* {0} */ - condition = IR3_COND_LT; - break; default: compile_assert(ctx, 0); @@ -1525,37 +1517,47 @@ trans_icmp(const struct instr_translater *t, if (is_const(a0) && is_const(a1)) a0 = get_unconst(ctx, a0); - if (t->tgsi_opc == TGSI_OPCODE_UCMP) { - struct tgsi_dst_register tmp_dst; - struct tgsi_src_register *tmp_src; - tmp_src = get_internal_temp(ctx, &tmp_dst); - /* cmps.u32.lt tmp, a0, a1 */ - instr = instr_create(ctx, 2, t->opc); - instr->cat2.condition = condition; - vectorize(ctx, instr, &tmp_dst, 2, a0, 0, a1, 0); + tmp_src = get_internal_temp(ctx, &tmp_dst); + /* cmps.{u32,s32}.<cond> tmp, a0, a1 */ + instr = instr_create(ctx, 2, t->opc); + instr->cat2.condition = condition; + vectorize(ctx, instr, &tmp_dst, 2, a0, 0, a1, 0); - a1 = &inst->Src[1].Register; - a2 = &inst->Src[2].Register; - /* sel.{b32,b16} dst, src2, tmp, src1 */ - instr = instr_create(ctx, 3, OPC_SEL_B32); - vectorize(ctx, instr, dst, 3, a1, 0, tmp_src, 0, a2, 0); - } else { - struct tgsi_dst_register tmp_dst; - struct tgsi_src_register *tmp_src; - tmp_src = get_internal_temp(ctx, &tmp_dst); - /* cmps.{u32,s32}.<cond> tmp, a0, a1 */ - instr = instr_create(ctx, 2, t->opc); - instr->cat2.condition = condition; - vectorize(ctx, instr, &tmp_dst, 2, a0, 0, a1, 0); + /* absneg.s dst, (neg)tmp */ + instr = instr_create(ctx, 2, OPC_ABSNEG_S); + vectorize(ctx, instr, dst, 1, tmp_src, IR3_REG_NEGATE); - /* absneg.s dst, (neg)tmp */ - instr = instr_create(ctx, 2, OPC_ABSNEG_S); - vectorize(ctx, instr, dst, 1, tmp_src, IR3_REG_NEGATE); - } put_dst(ctx, inst, dst); } /* + * UCMP(a,b,c) = a ? b : c + * sel.b16 dst, b, a, c + */ +static void +trans_ucmp(const struct instr_translater *t, + struct ir3_compile_context *ctx, + struct tgsi_full_instruction *inst) +{ + struct ir3_instruction *instr; + struct tgsi_dst_register *dst = get_dst(ctx, inst); + struct tgsi_src_register *a0, *a1, *a2; + + a0 = &inst->Src[0].Register; /* a */ + a1 = &inst->Src[1].Register; /* b */ + a2 = &inst->Src[2].Register; /* c */ + + if (is_rel_or_const(a0)) + a0 = get_unconst(ctx, a0); + + /* sel.{b32,b16} dst, b, a, c */ + instr = instr_create(ctx, 3, OPC_SEL_B32); + vectorize(ctx, instr, dst, 3, a1, 0, a0, 0, a2, 0); + put_dst(ctx, inst, dst); +} + + +/* * Conditional / Flow control */ @@ -2114,7 +2116,7 @@ static const struct instr_translater translaters[TGSI_OPCODE_LAST] = { INSTR(USGE, trans_icmp, .opc = OPC_CMPS_U), INSTR(ISLT, trans_icmp, .opc = OPC_CMPS_S), INSTR(USLT, trans_icmp, .opc = OPC_CMPS_U), - INSTR(UCMP, trans_icmp, .opc = OPC_CMPS_U), + INSTR(UCMP, trans_ucmp), INSTR(IF, trans_if, .opc = OPC_CMPS_F), INSTR(UIF, trans_if, .opc = OPC_CMPS_U), INSTR(ELSE, trans_else), |