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tcg: Merge INDEX_op_sextract_{i32,i64}

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Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2025-01-12 11:50:09 -08:00
parent 05a1129e23
commit fa361eefac
7 changed files with 19 additions and 46 deletions
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22
tcg/optimize.c
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@ -2317,7 +2317,6 @@ static int fold_setcond_zmask(OptContext *ctx, TCGOp *op, bool neg)
static void fold_setcond_tst_pow2(OptContext *ctx, TCGOp *op, bool neg)
{
TCGOpcode sext_opc = 0;
TCGCond cond = op->args[3];
TCGArg ret, src1, src2;
TCGOp *op2;
@ -2336,27 +2335,12 @@ static void fold_setcond_tst_pow2(OptContext *ctx, TCGOp *op, bool neg)
}
sh = ctz64(val);
switch (ctx->type) {
case TCG_TYPE_I32:
if (TCG_TARGET_sextract_valid(TCG_TYPE_I32, sh, 1)) {
sext_opc = INDEX_op_sextract_i32;
}
break;
case TCG_TYPE_I64:
if (TCG_TARGET_sextract_valid(TCG_TYPE_I64, sh, 1)) {
sext_opc = INDEX_op_sextract_i64;
}
break;
default:
g_assert_not_reached();
}
ret = op->args[0];
src1 = op->args[1];
inv = cond == TCG_COND_TSTEQ;
if (sh && sext_opc && neg && !inv) {
op->opc = sext_opc;
if (sh && neg && !inv && TCG_TARGET_sextract_valid(ctx->type, sh, 1)) {
op->opc = INDEX_op_sextract;
op->args[1] = src1;
op->args[2] = sh;
op->args[3] = 1;
@ -3019,7 +3003,7 @@ void tcg_optimize(TCGContext *s)
case INDEX_op_bitsel_vec:
done = fold_bitsel_vec(&ctx, op);
break;
CASE_OP_32_64(sextract):
case INDEX_op_sextract:
done = fold_sextract(&ctx, op);
break;
case INDEX_op_sub: