diff mbox series

[v8.0.1,36/36] tcg/i386: Set P_REXW in tcg_out_addi_ptr

Message ID 20230517080056.3623993-36-mjt@msgid.tls.msk.ru
State New
Headers show
Series None | expand

Commit Message

Michael Tokarev May 17, 2023, 8 a.m. UTC 
From: Richard Henderson <richard.henderson@linaro.org>

The REXW bit must be set to produce a 64-bit pointer result; the
bit is disabled in 32-bit mode, so we can do this unconditionally.

Fixes: 7d9e1ee424b0 ("tcg/i386: Adjust assert in tcg_out_addi_ptr")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1592
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1642
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
(cherry picked from commit 988998503bc6d8c03fbea001a0513e8372fddf28)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
---
 tcg/i386/tcg-target.c.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc
index 5a151fe64a..5c7c180799 100644
--- a/tcg/i386/tcg-target.c.inc
+++ b/tcg/i386/tcg-target.c.inc
@@ -1083,7 +1083,7 @@  static void tcg_out_addi_ptr(TCGContext *s, TCGReg rd, TCGReg rs,
 {
     /* This function is only used for passing structs by reference. */
     tcg_debug_assert(imm == (int32_t)imm);
-    tcg_out_modrm_offset(s, OPC_LEA, rd, rs, imm);
+    tcg_out_modrm_offset(s, OPC_LEA | P_REXW, rd, rs, imm);
 }
 
 static inline void tcg_out_pushi(TCGContext *s, tcg_target_long val)