From: Richard Henderson <rth@twiddle.net>
Date: Tue, 12 Mar 2013 16:50:25 +0000 (-0700)
Subject: tcg-arm: Use R12 for the tcg temporary
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=13dd6fb962930a4b1d74f9b22342d1eb15e9194e;p=qemu.git

tcg-arm: Use R12 for the tcg temporary

R12 is call clobbered, while R8 is call saved.  This change
gives tcg one more call saved register for real data.

Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
---

diff --git a/tcg/arm/tcg-target.c b/tcg/arm/tcg-target.c
index cc442b66f1..ff75379f55 100644
--- a/tcg/arm/tcg-target.c
+++ b/tcg/arm/tcg-target.c
@@ -113,7 +113,7 @@ static const int tcg_target_call_oarg_regs[2] = {
     TCG_REG_R0, TCG_REG_R1
 };
 
-#define TCG_REG_TMP  TCG_REG_R8
+#define TCG_REG_TMP  TCG_REG_R12
 
 static inline void reloc_abs32(void *code_ptr, tcg_target_long target)
 {