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[Qemu-devel] [PULL for-3.0 1/1] tcg/i386: Mark xmm registers call-clobbe


From: Richard Henderson
Subject: [Qemu-devel] [PULL for-3.0 1/1] tcg/i386: Mark xmm registers call-clobbered
Date: Mon, 23 Jul 2018 10:23:11 -0700

When host vector registers and operations were introduced, I failed
to mark the registers call clobbered as required by the ABI.

Fixes: 770c2fc7bb7
Cc: address@hidden
Reported-by: Jason A. Donenfeld <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
 tcg/i386/tcg-target.inc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tcg/i386/tcg-target.inc.c b/tcg/i386/tcg-target.inc.c
index e87b0d445e..a91e4f1313 100644
--- a/tcg/i386/tcg-target.inc.c
+++ b/tcg/i386/tcg-target.inc.c
@@ -3532,7 +3532,7 @@ static void tcg_target_init(TCGContext *s)
         tcg_target_available_regs[TCG_TYPE_V256] = ALL_VECTOR_REGS;
     }
 
-    tcg_target_call_clobber_regs = 0;
+    tcg_target_call_clobber_regs = ALL_VECTOR_REGS;
     tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_EAX);
     tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_EDX);
     tcg_regset_set_reg(tcg_target_call_clobber_regs, TCG_REG_ECX);
-- 
2.17.1




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