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[PULL,for-3.0,1/1] tcg/i386: Mark xmm registers call-clobbered

Message ID 20180723172311.11316-2-richard.henderson@linaro.org
State New
Headers show
Series [PULL,for-3.0,1/1] tcg/i386: Mark xmm registers call-clobbered | expand

Commit Message

Richard Henderson July 23, 2018, 5:23 p.m. UTC
When host vector registers and operations were introduced, I failed
to mark the registers call clobbered as required by the ABI.

Fixes: 770c2fc7bb7
Cc: qemu-stable@nongnu.org
Reported-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/i386/tcg-target.inc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

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);