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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Subject: [PULL 29/56] tcg/optimize: Split out fold_extract, fold_sextract
Date: Wed, 27 Oct 2021 19:41:04 -0700
Message-Id: <20211028024131.1492790-30-richard.henderson@linaro.org>
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Cc: Luis Pires <luis.pires@eldorado.org.br>,
=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <f4bug@amsat.org>
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Reviewed-by: Luis Pires <luis.pires@eldorado.org.br>
Reviewed-by: Philippe Mathieu-Daud=C3=A9 <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/optimize.c | 48 ++++++++++++++++++++++++++++++------------------
1 file changed, 30 insertions(+), 18 deletions(-)
diff --git a/tcg/optimize.c b/tcg/optimize.c
index faedbdbfb8..3bd5f043c8 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -888,6 +888,18 @@ static bool fold_eqv(OptContext *ctx, TCGOp *op)
return fold_const2(ctx, op);
}
=20
+static bool fold_extract(OptContext *ctx, TCGOp *op)
+{
+ if (arg_is_const(op->args[1])) {
+ uint64_t t;
+
+ t =3D arg_info(op->args[1])->val;
+ t =3D extract64(t, op->args[2], op->args[3]);
+ return tcg_opt_gen_movi(ctx, op, op->args[0], t);
+ }
+ return false;
+}
+
static bool fold_extract2(OptContext *ctx, TCGOp *op)
{
if (arg_is_const(op->args[1]) && arg_is_const(op->args[2])) {
@@ -1126,6 +1138,18 @@ static bool fold_setcond2(OptContext *ctx, TCGOp *op)
return tcg_opt_gen_movi(ctx, op, op->args[0], i);
}
=20
+static bool fold_sextract(OptContext *ctx, TCGOp *op)
+{
+ if (arg_is_const(op->args[1])) {
+ uint64_t t;
+
+ t =3D arg_info(op->args[1])->val;
+ t =3D sextract64(t, op->args[2], op->args[3]);
+ return tcg_opt_gen_movi(ctx, op, op->args[0], t);
+ }
+ return false;
+}
+
static bool fold_shift(OptContext *ctx, TCGOp *op)
{
return fold_const2(ctx, op);
@@ -1727,24 +1751,6 @@ void tcg_optimize(TCGContext *s)
}
break;
=20
- CASE_OP_32_64(extract):
- if (arg_is_const(op->args[1])) {
- tmp =3D extract64(arg_info(op->args[1])->val,
- op->args[2], op->args[3]);
- tcg_opt_gen_movi(&ctx, op, op->args[0], tmp);
- continue;
- }
- break;
-
- CASE_OP_32_64(sextract):
- if (arg_is_const(op->args[1])) {
- tmp =3D sextract64(arg_info(op->args[1])->val,
- op->args[2], op->args[3]);
- tcg_opt_gen_movi(&ctx, op, op->args[0], tmp);
- continue;
- }
- break;
-
default:
break;
=20
@@ -1779,6 +1785,9 @@ void tcg_optimize(TCGContext *s)
CASE_OP_32_64(eqv):
done =3D fold_eqv(&ctx, op);
break;
+ CASE_OP_32_64(extract):
+ done =3D fold_extract(&ctx, op);
+ break;
CASE_OP_32_64(extract2):
done =3D fold_extract2(&ctx, op);
break;
@@ -1856,6 +1865,9 @@ void tcg_optimize(TCGContext *s)
case INDEX_op_setcond2_i32:
done =3D fold_setcond2(&ctx, op);
break;
+ CASE_OP_32_64(sextract):
+ done =3D fold_sextract(&ctx, op);
+ break;
CASE_OP_32_64_VEC(sub):
done =3D fold_sub(&ctx, op);
break;
--=20
2.25.1