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tcg: Merge INDEX_op_xor_{i32,i64}

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Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2025-01-06 15:18:35 -08:00
parent d3e56f3824
commit fffd3dc902
8 changed files with 21 additions and 28 deletions
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18
tcg/optimize.c
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@ -441,7 +441,8 @@ static uint64_t do_constant_folding_2(TCGOpcode op, uint64_t x, uint64_t y)
case INDEX_op_or_vec:
return x | y;
CASE_OP_32_64_VEC(xor):
case INDEX_op_xor:
case INDEX_op_xor_vec:
return x ^ y;
case INDEX_op_shl_i32:
@ -2289,7 +2290,7 @@ static int fold_setcond_zmask(OptContext *ctx, TCGOp *op, bool neg)
break;
}
if (convert) {
TCGOpcode xor_opc, neg_opc;
TCGOpcode neg_opc;
if (!inv && !neg) {
return tcg_opt_gen_mov(ctx, op, op->args[0], op->args[1]);
@ -2298,11 +2299,9 @@ static int fold_setcond_zmask(OptContext *ctx, TCGOp *op, bool neg)
switch (ctx->type) {
case TCG_TYPE_I32:
neg_opc = INDEX_op_neg_i32;
xor_opc = INDEX_op_xor_i32;
break;
case TCG_TYPE_I64:
neg_opc = INDEX_op_neg_i64;
xor_opc = INDEX_op_xor_i64;
break;
default:
g_assert_not_reached();
@ -2314,7 +2313,7 @@ static int fold_setcond_zmask(OptContext *ctx, TCGOp *op, bool neg)
op->opc = INDEX_op_add;
op->args[2] = arg_new_constant(ctx, -1);
} else {
op->opc = xor_opc;
op->opc = INDEX_op_xor;
op->args[2] = arg_new_constant(ctx, 1);
}
return -1;
@ -2325,7 +2324,7 @@ static int fold_setcond_zmask(OptContext *ctx, TCGOp *op, bool neg)
static void fold_setcond_tst_pow2(OptContext *ctx, TCGOp *op, bool neg)
{
TCGOpcode xor_opc, neg_opc, shr_opc;
TCGOpcode neg_opc, shr_opc;
TCGOpcode uext_opc = 0, sext_opc = 0;
TCGCond cond = op->args[3];
TCGArg ret, src1, src2;
@ -2347,7 +2346,6 @@ static void fold_setcond_tst_pow2(OptContext *ctx, TCGOp *op, bool neg)
switch (ctx->type) {
case TCG_TYPE_I32:
xor_opc = INDEX_op_xor_i32;
shr_opc = INDEX_op_shr_i32;
neg_opc = INDEX_op_neg_i32;
if (TCG_TARGET_extract_valid(TCG_TYPE_I32, sh, 1)) {
@ -2358,7 +2356,6 @@ static void fold_setcond_tst_pow2(OptContext *ctx, TCGOp *op, bool neg)
}
break;
case TCG_TYPE_I64:
xor_opc = INDEX_op_xor_i64;
shr_opc = INDEX_op_shr_i64;
neg_opc = INDEX_op_neg_i64;
if (TCG_TARGET_extract_valid(TCG_TYPE_I64, sh, 1)) {
@ -2406,7 +2403,7 @@ static void fold_setcond_tst_pow2(OptContext *ctx, TCGOp *op, bool neg)
op2->args[1] = ret;
op2->args[2] = arg_new_constant(ctx, -1);
} else if (inv) {
op2 = opt_insert_after(ctx, op, xor_opc, 3);
op2 = opt_insert_after(ctx, op, INDEX_op_xor, 3);
op2->args[0] = ret;
op2->args[1] = ret;
op2->args[2] = arg_new_constant(ctx, 1);
@ -3051,7 +3048,8 @@ void tcg_optimize(TCGContext *s)
CASE_OP_32_64(sub2):
done = fold_sub2(&ctx, op);
break;
CASE_OP_32_64_VEC(xor):
case INDEX_op_xor:
case INDEX_op_xor_vec:
done = fold_xor(&ctx, op);
break;
case INDEX_op_set_label: