Message ID | 20190815020928.9679-9-jan.bobek@gmail.com |
---|---|
State | New |
Headers | show
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X-Received-From: 2607:f8b0:4864:20::b43 Subject: [Qemu-devel] [RFC PATCH v3 08/46] target/i386: make variable b1 const 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/SSE2/SSE3 instruction translation
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expand
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diff --git a/target/i386/translate.c b/target/i386/translate.c index b1ba2fc3e5..8bf39b73c4 100644 --- a/target/i386/translate.c +++ b/target/i386/translate.c @@ -3042,7 +3042,7 @@ static const struct SSEOpHelper_eppi sse_op_table7[256] = { static void gen_sse(CPUX86State *env, DisasContext *s, int b) { - int b1, op1_offset, op2_offset, is_xmm, val; + int op1_offset, op2_offset, is_xmm, val; int modrm, mod, rm, reg; SSEFunc_0_epp sse_fn_epp; SSEFunc_0_eppi sse_fn_eppi; @@ -3051,14 +3051,11 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b) TCGMemOp ot; b &= 0xff; - if (s->prefix & PREFIX_DATA) - b1 = 1; - else if (s->prefix & PREFIX_REPZ) - b1 = 2; - else if (s->prefix & PREFIX_REPNZ) - b1 = 3; - else - b1 = 0; + const int b1 = + s->prefix & PREFIX_DATA ? 1 + : s->prefix & PREFIX_REPZ ? 2 + : s->prefix & PREFIX_REPNZ ? 3 + : 0; sse_fn_epp = sse_op_table1[b][b1]; if (!sse_fn_epp) { goto unknown_op;