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X-Received-From: 2607:f8b0:4864:20::c44 Subject: [Qemu-devel] [RFC PATCH v3 12/46] target/i386: introduce gen_sse_ng X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jan Bobek , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This function serves as the point-of-intercept for all newly implemented instructions. If no new implementation exists, fall back to gen_sse. Reviewed-by: Richard Henderson Signed-off-by: Jan Bobek --- target/i386/translate.c | 29 ++++++++++++++++++++++++++++- 1 file changed, 28 insertions(+), 1 deletion(-) diff --git a/target/i386/translate.c b/target/i386/translate.c index 258351fce3..fdc7cb0054 100644 --- a/target/i386/translate.c +++ b/target/i386/translate.c @@ -4489,6 +4489,33 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b) } } +static void gen_sse_ng(CPUX86State *env, DisasContext *s, int b) +{ + enum { + P_NP = 0, + P_66 = 1 << (0 + 8), + P_F3 = 1 << (1 + 8), + P_F2 = 1 << (2 + 8), + W_0 = 0 << (3 + 8), + W_1 = 1 << (3 + 8), + M_NA = 0, + M_0F = 1 << (4 + 8), + }; + + switch ((b & 0xff) | M_0F + | (s->prefix & PREFIX_DATA ? P_66 : 0) + | (s->prefix & PREFIX_REPZ ? P_F3 : 0) + | (s->prefix & PREFIX_REPNZ ? P_F2 : 0) + | (REX_W(s) > 0 ? W_1 : W_0)) { + + default: + gen_sse(env, s, b); + return; + } + + g_assert_not_reached(); +} + /* convert one instruction. s->base.is_jmp is set if the translation must be stopped. Return the next pc value */ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) @@ -8379,7 +8406,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) case 0x1c2: case 0x1c4 ... 0x1c6: case 0x1d0 ... 0x1fe: - gen_sse(env, s, b); + gen_sse_ng(env, s, b); break; default: goto unknown_op; -- 2.20.1