[Qemu-devel] [PATCH 1/3] tcg/mips: fix TLB loading for BE host with 32-bit guests

[Aurelien Jarno <aurelien@aurel32.net>]

For 32-bit guest, we load a 32-bit address from the TLB, so there is no
need to compensate for the low or high part. This fixes 32-bit guests on
big-endian hosts.

Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
---
 tcg/mips/tcg-target.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tcg/mips/tcg-target.c b/tcg/mips/tcg-target.c
index 6680299..8dce19c 100644
--- a/tcg/mips/tcg-target.c
+++ b/tcg/mips/tcg-target.c
@@ -963,9 +963,11 @@ static void tcg_out_tlb_load(TCGContext *s, TCGReg base, TCGReg addrl,
     }
 
     /* Load the tlb comparator.  */
-    tcg_out_opc_imm(s, OPC_LW, TCG_TMP0, TCG_REG_A0, cmp_off + LO_OFF);
     if (TARGET_LONG_BITS == 64) {
+        tcg_out_opc_imm(s, OPC_LW, TCG_TMP0, TCG_REG_A0, cmp_off + LO_OFF);
         tcg_out_opc_imm(s, OPC_LW, base, TCG_REG_A0, cmp_off + HI_OFF);
+    } else {
+        tcg_out_opc_imm(s, OPC_LW, TCG_TMP0, TCG_REG_A0, cmp_off);
     }
 
     /* Mask the page bits, keeping the alignment bits to compare against.
-- 
2.1.4