Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* fix VM build jobs on CirrusCI
* fix MMX instructions clobbering x87 state before raising #NM

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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  ci: install meson in CirrusCI KVM build environment
  target/i386: Check CR0.TS before enter_mmx

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

.gitlab-ci.d/cirrus/kvm-build.yml

@@ -15,7 +15,7 @@ env:
     folder: $HOME/.cache/qemu-vm
   install_script:
     - dnf update -y
-    - dnf install -y git make openssh-clients qemu-img qemu-system-x86 wget
+    - dnf install -y git make openssh-clients qemu-img qemu-system-x86 wget meson
   clone_script:
     - git clone --depth 100 "$CI_REPOSITORY_URL" .
     - git fetch origin "$CI_COMMIT_REF_NAME"

target/i386/tcg/decode-new.c.inc

@@ -1803,16 +1803,18 @@ static void disas_insn_new(DisasContext *s, CPUState *cpu, int b)
         }
         break;
 
-    case X86_SPECIAL_MMX:
-        if (!(s->prefix & (PREFIX_REPZ | PREFIX_REPNZ | PREFIX_DATA))) {
-            gen_helper_enter_mmx(cpu_env);
-        }
+    default:
         break;
     }
 
     if (!validate_vex(s, &decode)) {
         return;
     }
+    if (decode.e.special == X86_SPECIAL_MMX &&
+        !(s->prefix & (PREFIX_REPZ | PREFIX_REPNZ | PREFIX_DATA))) {
+        gen_helper_enter_mmx(cpu_env);
+    }
+
     if (decode.op[0].has_ea || decode.op[1].has_ea || decode.op[2].has_ea) {
         gen_load_ea(s, &decode.mem, decode.e.vex_class == 12);
     }