From: WANG Xuerui <git@xen0n.name>
To: qemu-devel@nongnu.org
Cc: "Peter Maydell" <peter.maydell@linaro.org>,
"XiaoJuan Yang" <yangxiaojuan@loongson.cn>,
"Richard Henderson" <richard.henderson@linaro.org>,
"Song Gao" <gaosong@loongson.cn>,
"Philippe Mathieu-Daudé" <f4bug@amsat.org>,
"WANG Xuerui" <git@xen0n.name>,
"Laurent Vivier" <laurent@vivier.eu>
Subject: [PATCH v6 14/30] tcg/loongarch64: Implement bswap{16,32,64} ops
Date: Sun, 26 Sep 2021 01:30:16 +0800 [thread overview]
Message-ID: <20210925173032.2434906-15-git@xen0n.name> (raw)
In-Reply-To: <20210925173032.2434906-1-git@xen0n.name>
Signed-off-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/loongarch64/tcg-target.c.inc | 32 ++++++++++++++++++++++++++++++++
tcg/loongarch64/tcg-target.h | 10 +++++-----
2 files changed, 37 insertions(+), 5 deletions(-)
diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.c.inc
index 1d903d05d6..9adac5b3fc 100644
--- a/tcg/loongarch64/tcg-target.c.inc
+++ b/tcg/loongarch64/tcg-target.c.inc
@@ -545,6 +545,33 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
tcg_out_opc_bstrins_d(s, a0, a2, args[3], args[3] + args[4] - 1);
break;
+ case INDEX_op_bswap16_i32:
+ case INDEX_op_bswap16_i64:
+ tcg_out_opc_revb_2h(s, a0, a1);
+ if (a2 & TCG_BSWAP_OS) {
+ tcg_out_ext16s(s, a0, a0);
+ } else if ((a2 & (TCG_BSWAP_IZ | TCG_BSWAP_OZ)) == TCG_BSWAP_OZ) {
+ tcg_out_ext16u(s, a0, a0);
+ }
+ break;
+
+ case INDEX_op_bswap32_i32:
+ /* All 32-bit values are computed sign-extended in the register. */
+ a2 = TCG_BSWAP_OS;
+ /* fallthrough */
+ case INDEX_op_bswap32_i64:
+ tcg_out_opc_revb_2w(s, a0, a1);
+ if (a2 & TCG_BSWAP_OS) {
+ tcg_out_ext32s(s, a0, a0);
+ } else if ((a2 & (TCG_BSWAP_IZ | TCG_BSWAP_OZ)) == TCG_BSWAP_OZ) {
+ tcg_out_ext32u(s, a0, a0);
+ }
+ break;
+
+ case INDEX_op_bswap64_i64:
+ tcg_out_opc_revb_d(s, a0, a1);
+ break;
+
case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */
case INDEX_op_mov_i64:
default:
@@ -576,6 +603,11 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
case INDEX_op_not_i64:
case INDEX_op_extract_i32:
case INDEX_op_extract_i64:
+ case INDEX_op_bswap16_i32:
+ case INDEX_op_bswap16_i64:
+ case INDEX_op_bswap32_i32:
+ case INDEX_op_bswap32_i64:
+ case INDEX_op_bswap64_i64:
return C_O1_I1(r, r);
case INDEX_op_andc_i32:
diff --git a/tcg/loongarch64/tcg-target.h b/tcg/loongarch64/tcg-target.h
index 084d635a8e..02d17d2f6d 100644
--- a/tcg/loongarch64/tcg-target.h
+++ b/tcg/loongarch64/tcg-target.h
@@ -111,8 +111,8 @@ typedef enum {
#define TCG_TARGET_HAS_ext16s_i32 1
#define TCG_TARGET_HAS_ext8u_i32 1
#define TCG_TARGET_HAS_ext16u_i32 1
-#define TCG_TARGET_HAS_bswap16_i32 0
-#define TCG_TARGET_HAS_bswap32_i32 0
+#define TCG_TARGET_HAS_bswap16_i32 1
+#define TCG_TARGET_HAS_bswap32_i32 1
#define TCG_TARGET_HAS_not_i32 1
#define TCG_TARGET_HAS_neg_i32 0
#define TCG_TARGET_HAS_andc_i32 1
@@ -146,9 +146,9 @@ typedef enum {
#define TCG_TARGET_HAS_ext8u_i64 1
#define TCG_TARGET_HAS_ext16u_i64 1
#define TCG_TARGET_HAS_ext32u_i64 1
-#define TCG_TARGET_HAS_bswap16_i64 0
-#define TCG_TARGET_HAS_bswap32_i64 0
-#define TCG_TARGET_HAS_bswap64_i64 0
+#define TCG_TARGET_HAS_bswap16_i64 1
+#define TCG_TARGET_HAS_bswap32_i64 1
+#define TCG_TARGET_HAS_bswap64_i64 1
#define TCG_TARGET_HAS_not_i64 1
#define TCG_TARGET_HAS_neg_i64 0
#define TCG_TARGET_HAS_andc_i64 1
--
2.33.0
next prev parent reply other threads:[~2021-09-25 18:01 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-25 17:30 [PATCH v6 00/30] LoongArch64 port of QEMU TCG WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 01/30] elf: Add machine type value for LoongArch WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 02/30] MAINTAINERS: Add tcg/loongarch64 entry with myself as maintainer WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 03/30] tcg/loongarch64: Add the tcg-target.h file WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 04/30] tcg/loongarch64: Add generated instruction opcodes and encoding helpers WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 05/30] tcg/loongarch64: Add register names, allocation order and input/output sets WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 06/30] tcg/loongarch64: Define the operand constraints WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 07/30] tcg/loongarch64: Implement necessary relocation operations WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 08/30] tcg/loongarch64: Implement the memory barrier op WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 09/30] tcg/loongarch64: Implement tcg_out_mov and tcg_out_movi WANG Xuerui
2021-09-26 6:48 ` Philippe Mathieu-Daudé
2021-09-25 17:30 ` [PATCH v6 10/30] tcg/loongarch64: Implement goto_ptr WANG Xuerui
2021-09-29 17:13 ` Philippe Mathieu-Daudé
2021-09-25 17:30 ` [PATCH v6 11/30] tcg/loongarch64: Implement sign-/zero-extension ops WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 12/30] tcg/loongarch64: Implement not/and/or/xor/nor/andc/orc ops WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 13/30] tcg/loongarch64: Implement deposit/extract ops WANG Xuerui
2021-09-29 17:14 ` Philippe Mathieu-Daudé
2021-09-25 17:30 ` WANG Xuerui [this message]
2021-09-26 6:50 ` [PATCH v6 14/30] tcg/loongarch64: Implement bswap{16,32,64} ops Philippe Mathieu-Daudé
2021-09-25 17:30 ` [PATCH v6 15/30] tcg/loongarch64: Implement clz/ctz ops WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 16/30] tcg/loongarch64: Implement shl/shr/sar/rotl/rotr ops WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 17/30] tcg/loongarch64: Implement add/sub ops WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 18/30] tcg/loongarch64: Implement mul/mulsh/muluh/div/divu/rem/remu ops WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 19/30] tcg/loongarch64: Implement br/brcond ops WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 20/30] tcg/loongarch64: Implement setcond ops WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 21/30] tcg/loongarch64: Implement tcg_out_call WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 22/30] tcg/loongarch64: Implement simple load/store ops WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 23/30] tcg/loongarch64: Add softmmu load/store helpers, implement qemu_ld/qemu_st ops WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 24/30] tcg/loongarch64: Implement tcg_target_qemu_prologue WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 25/30] tcg/loongarch64: Implement exit_tb/goto_tb WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 26/30] tcg/loongarch64: Implement tcg_target_init WANG Xuerui
2021-09-26 7:15 ` Philippe Mathieu-Daudé
2021-09-26 23:07 ` Richard Henderson
2021-09-29 17:00 ` WANG Xuerui
2021-09-29 17:11 ` Philippe Mathieu-Daudé
2021-09-25 17:30 ` [PATCH v6 27/30] tcg/loongarch64: Register the JIT WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 28/30] linux-user: Add safe syscall handling for loongarch64 hosts WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 29/30] accel/tcg/user-exec: Implement CPU-specific signal handler " WANG Xuerui
2021-09-25 17:30 ` [PATCH v6 30/30] configure, meson.build: Mark support " WANG Xuerui
2021-09-26 7:17 ` Philippe Mathieu-Daudé
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