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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-stable@nongnu.org
Subject: [PATCH] tcg/aarch64: Apple does not align __int128_t in even
 registers
Date: Fri, 16 Feb 2024 11:45:47 -1000
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Cc: qemu-stable@nongnu.org
Fixes: 5427a9a7604 ("tcg: Add TCG_TARGET_CALL_{RET,ARG}_I128")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2169
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daud=C3=A9 <philmd@linaro.org>
---

See the gitlab issue for complete discussion of the ABI.

r~

---
 tcg/aarch64/tcg-target.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tcg/aarch64/tcg-target.h b/tcg/aarch64/tcg-target.h
index ef5ebe91bd..85d5746e47 100644
--- a/tcg/aarch64/tcg-target.h
+++ b/tcg/aarch64/tcg-target.h
@@ -55,7 +55,11 @@ typedef enum {
 #define TCG_TARGET_CALL_STACK_OFFSET    0
 #define TCG_TARGET_CALL_ARG_I32         TCG_CALL_ARG_NORMAL
 #define TCG_TARGET_CALL_ARG_I64         TCG_CALL_ARG_NORMAL
-#define TCG_TARGET_CALL_ARG_I128        TCG_CALL_ARG_EVEN
+#ifdef CONFIG_DARWIN
+# define TCG_TARGET_CALL_ARG_I128       TCG_CALL_ARG_NORMAL
+#else
+# define TCG_TARGET_CALL_ARG_I128       TCG_CALL_ARG_EVEN
+#endif
 #define TCG_TARGET_CALL_RET_I128        TCG_CALL_RET_NORMAL
=20
 #define have_lse    (cpuinfo & CPUINFO_LSE)
--=20
2.34.1