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[PATCH 03/28] tcg/aarch64: Support bswap flags
From: |
Richard Henderson |
Subject: |
[PATCH 03/28] tcg/aarch64: Support bswap flags |
Date: |
Mon, 14 Jun 2021 01:37:35 -0700 |
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/aarch64/tcg-target.c.inc | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/tcg/aarch64/tcg-target.c.inc b/tcg/aarch64/tcg-target.c.inc
index 27cde314a9..f72218b036 100644
--- a/tcg/aarch64/tcg-target.c.inc
+++ b/tcg/aarch64/tcg-target.c.inc
@@ -2187,12 +2187,24 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
tcg_out_rev64(s, a0, a1);
break;
case INDEX_op_bswap32_i64:
+ tcg_out_rev32(s, a0, a1);
+ if (a2 & TCG_BSWAP_OS) {
+ tcg_out_sxt(s, TCG_TYPE_I64, MO_32, a0, a0);
+ }
+ break;
case INDEX_op_bswap32_i32:
tcg_out_rev32(s, a0, a1);
break;
case INDEX_op_bswap16_i64:
case INDEX_op_bswap16_i32:
tcg_out_rev16(s, a0, a1);
+ if (a2 & TCG_BSWAP_OS) {
+ /* Output must be sign-extended. */
+ tcg_out_sxt(s, ext, MO_16, a0, a0);
+ } else if ((a2 & (TCG_BSWAP_IZ | TCG_BSWAP_OZ)) == TCG_BSWAP_OZ) {
+ /* Output must be zero-extended, but input isn't. */
+ tcg_out_uxt(s, MO_16, a0, a0);
+ }
break;
case INDEX_op_ext8s_i64:
--
2.25.1
- [PATCH 00/28] tcg: bswap improvements, Richard Henderson, 2021/06/14
- [PATCH 03/28] tcg/aarch64: Support bswap flags,
Richard Henderson <=
- Re: [PATCH 03/28] tcg/aarch64: Support bswap flags, Peter Maydell, 2021/06/21
- Re: [PATCH 03/28] tcg/aarch64: Support bswap flags, Richard Henderson, 2021/06/21
- Re: [PATCH 03/28] tcg/aarch64: Support bswap flags, Richard Henderson, 2021/06/21
- Re: [PATCH 03/28] tcg/aarch64: Support bswap flags, Peter Maydell, 2021/06/21
- Re: [PATCH 03/28] tcg/aarch64: Support bswap flags, Richard Henderson, 2021/06/21
- Re: [PATCH 03/28] tcg/aarch64: Support bswap flags, Peter Maydell, 2021/06/21
[PATCH 04/28] tcg/arm: Support bswap flags, Richard Henderson, 2021/06/14
[PATCH 05/28] tcg/ppc: Split out tcg_out_ext{8,16,32}s, Richard Henderson, 2021/06/14