From: Richard Henderson <richard.henderson@linaro.org>
Date: Wed, 8 Oct 2025 21:55:45 +0000 (-0700)
Subject: target/arm: Emit v7m LTPSIZE exception out of line
X-Git-Tag: v10.2.0-rc1~67^2~31
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0e15a9a53c56f8ddd6a8c6f691a0507429387d91;p=thirdparty%2Fqemu.git

target/arm: Emit v7m LTPSIZE exception out of line

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20251008215613.300150-46-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---

diff --git a/target/arm/tcg/translate.c b/target/arm/tcg/translate.c
index 57bc8ea4c5..3df0bbcb7f 100644
--- a/target/arm/tcg/translate.c
+++ b/target/arm/tcg/translate.c
@@ -5598,11 +5598,10 @@ static bool trans_LE(DisasContext *s, arg_LE *a)
 
     if (!a->tp && dc_isar_feature(aa32_mve, s) && fpu_active) {
         /* Need to do a runtime check for LTPSIZE != 4 */
-        DisasLabel skipexc = gen_disas_label(s);
+        TCGLabel *fail = delay_exception(s, EXCP_INVSTATE, syn_uncategorized());
+
         tmp = load_cpu_field(v7m.ltpsize);
-        tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 4, skipexc.label);
-        gen_exception_insn(s, 0, EXCP_INVSTATE, syn_uncategorized());
-        set_disas_label(s, skipexc);
+        tcg_gen_brcondi_i32(TCG_COND_NE, tmp, 4, fail);
     }
 
     if (a->f) {