diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2023-08-12 08:48:18 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-08-12 08:51:12 -0700 |
| commit | d3b41127c205062ca6c29c89c9542c4112c39ca0 (patch) | |
| tree | 5cbbe73c0e9b452336b12c3971f557bb373cfdb8 | |
| parent | bb5f142cb320d45d3d8dee2c82dae003cad39da8 (diff) | |
tcg/i386: Output %gs prefix in tcg_out_vex_opc
Missing the segment prefix means that user-only fails
to add guest_base for some 128-bit load/store.
Fixes: 098d0fc10d2 ("tcg/i386: Support 128-bit load/store")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1763
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| -rw-r--r-- | tcg/i386/tcg-target.c.inc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc index 77482da070..a6b2eae995 100644 --- a/tcg/i386/tcg-target.c.inc +++ b/tcg/i386/tcg-target.c.inc @@ -595,6 +595,9 @@ static void tcg_out_vex_opc(TCGContext *s, int opc, int r, int v, { int tmp; + if (opc & P_GS) { + tcg_out8(s, 0x65); + } /* Use the two byte form if possible, which cannot encode VEX.W, VEX.B, VEX.X, or an m-mmmm field other than P_EXT. */ if ((opc & (P_EXT | P_EXT38 | P_EXT3A | P_VEXW)) == P_EXT |