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* [newlib-cygwin] RISC-V: Fix alignment issue in sigjmp_buf
@ 2018-01-18  8:21 Corinna Vinschen
  0 siblings, 0 replies; only message in thread
From: Corinna Vinschen @ 2018-01-18  8:21 UTC (permalink / raw)
  To: newlib-cvs

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=cba678ba02428b02e08a9a169d57e70f271d789f

commit cba678ba02428b02e08a9a169d57e70f271d789f
Author: Kito Cheng <kito.cheng@gmail.com>
Date:   Fri Nov 17 14:50:52 2017 +0800

    RISC-V: Fix alignment issue in sigjmp_buf

Diff:
---
 newlib/libc/include/machine/setjmp.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/newlib/libc/include/machine/setjmp.h b/newlib/libc/include/machine/setjmp.h
index b33f437..9212f84 100644
--- a/newlib/libc/include/machine/setjmp.h
+++ b/newlib/libc/include/machine/setjmp.h
@@ -359,7 +359,9 @@ _BEGIN_STD_C
 #endif
 
 #ifdef __riscv
-#define _JBTYPE long
+/* _JBTYPE using long long to make sure the alignment is align to 8 byte,
+   otherwise in rv32imafd, store/restore FPR may mis-align.  */
+#define _JBTYPE long long
 #ifdef __riscv_32e
 #define _JBLEN ((4*sizeof(long))/sizeof(long))
 #else


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