Message ID | 20190810041255.6820-28-jan.bobek@gmail.com |
---|---|
State | New |
Headers | show
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[69.222.133.165]) by smtp.gmail.com with ESMTPSA id f84sm33383540oig.43.2019.08.09.21.13.32 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Fri, 09 Aug 2019 21:13:33 -0700 (PDT) From: Jan Bobek <jan.bobek@gmail.com> To: qemu-devel@nongnu.org Date: Sat, 10 Aug 2019 00:12:43 -0400 Message-Id: <20190810041255.6820-28-jan.bobek@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190810041255.6820-1-jan.bobek@gmail.com> References: <20190810041255.6820-1-jan.bobek@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::343 Subject: [Qemu-devel] [RFC PATCH v2 27/39] target/i386: introduce RdMw operand X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Cc: Jan Bobek <jan.bobek@gmail.com>, =?utf-8?q?Alex_Benn=C3=A9e?= <alex.bennee@linaro.org>, Richard Henderson <richard.henderson@linaro.org> Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> |
Series |
rewrite MMX/SSE instruction translation
|
expand
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diff --git a/target/i386/translate.c b/target/i386/translate.c index 0e57d5f049..9896f1c99e 100644 --- a/target/i386/translate.c +++ b/target/i386/translate.c @@ -4777,6 +4777,9 @@ INSNOP(Rq, TCGv_i64, INSNOP_INIT_FAIL, #endif /* !TARGET_X86_64 */ #ifdef TARGET_X86_64 +INSNOP_LDST(RdMw, Rd, Mw, s->tmp3_i32, + tcg_gen_qemu_ld_i32(reg, ptr, s->mem_index, MO_LEUW), + tcg_gen_qemu_st_i32(reg, ptr, s->mem_index, MO_LEUW)) INSNOP_LDST(RdMd, Rd, Md, s->tmp3_i32, tcg_gen_qemu_ld_i32(reg, ptr, s->mem_index, MO_LEUL), tcg_gen_qemu_st_i32(reg, ptr, s->mem_index, MO_LEUL)) @@ -4784,6 +4787,9 @@ INSNOP_LDST(RqMq, Rq, Mq, s->T0, tcg_gen_qemu_ld_i64(reg, ptr, s->mem_index, MO_LEQ), tcg_gen_qemu_st_i64(reg, ptr, s->mem_index, MO_LEQ)) #else /* !TARGET_X86_64 */ +INSNOP_LDST(RdMw, Rd, Md, s->T0, + tcg_gen_qemu_ld_i32(reg, ptr, s->mem_index, MO_LEUW), + tcg_gen_qemu_st_i32(reg, ptr, s->mem_index, MO_LEUW)) INSNOP_LDST(RdMd, Rd, Md, s->T0, tcg_gen_qemu_ld_i32(reg, ptr, s->mem_index, MO_LEUL), tcg_gen_qemu_st_i32(reg, ptr, s->mem_index, MO_LEUL))
The PINSRW family of instructions have a peculiar second operand: 32-bit general-purpose register file is addressed, but if the operand is indirect, only 16 bits are loaded from memory. Reflect this by the RdMw operand. Signed-off-by: Jan Bobek <jan.bobek@gmail.com> --- target/i386/translate.c | 6 ++++++ 1 file changed, 6 insertions(+)