[Qemu-devel] [PATCH 99/99] tcg/i386: Mark xmm registers call-clobbered

Michael Roth posted 99 patches 7 years, 6 months ago
[Qemu-devel] [PATCH 99/99] tcg/i386: Mark xmm registers call-clobbered
Posted by Michael Roth 7 years, 6 months ago
From: Richard Henderson <richard.henderson@linaro.org>

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>
(cherry picked from commit 672189cd586ea38a2c1d8ab91eb1f9dcff5ceb05)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
---
 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 ccde8801a5..5727999bb3 100644
--- a/tcg/i386/tcg-target.inc.c
+++ b/tcg/i386/tcg-target.inc.c
@@ -3529,7 +3529,7 @@ 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