From: Andrew Gierth <andrew@tao11.riddles.org.uk>
To: 40737@debbugs.gnu.org
Subject: bug#40737: Segfault in arm gcc7, thumb2 builroot, with arm patch
Date: Fri, 19 Jun 2020 17:07:34 +0100 [thread overview]
Message-ID: <87366r9h34.fsf@news-spur.riddles.org.uk> (raw)
In-Reply-To: <3583c04a12981cebf9a014b71c2d6f1a27b851af@webmail>
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Patch attached.
--
Andrew.
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #2: arm constant fix --]
[-- Type: text/x-patch, Size: 696 bytes --]
diff --git a/libguile/lightening/lightening/arm-cpu.c b/libguile/lightening/lightening/arm-cpu.c
index 4445266af..2b4eecc29 100644
--- a/libguile/lightening/lightening/arm-cpu.c
+++ b/libguile/lightening/lightening/arm-cpu.c
@@ -230,7 +230,7 @@ encode_thumb_immediate(unsigned int v)
return ((v & 0xff) | (1 << 12));
/* abcdefgh 00000000 abcdefgh 00000000 */
if (((v & 0xffff0000) >> 16) == (v & 0xffff) && (v & 0xff) == 0)
- return ((v & 0x000000ff) | (2 << 12));
+ return (((v & 0x0000ff00) >> 8) | (2 << 12));
/* abcdefgh abcdefgh abcdefgh abcdefgh */
if ( (v & 0xff) == ((v & 0xff00) >> 8) &&
((v & 0xff00) >> 8) == ((v & 0xff0000) >> 16) &&
next prev parent reply other threads:[~2020-06-19 16:07 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-20 19:34 bug#40737: Segfault in arm gcc7, thumb2 builroot, with arm patch dsmich
2020-04-20 19:41 ` bug#40737: Forgot command output dsmich
2020-04-20 19:48 ` bug#40737: Even more info dsmich
2020-04-21 12:36 ` dsmich
2020-06-17 22:36 ` bug#40737: Segfault in arm gcc7, thumb2 builroot, with arm patch Ludovic Courtès
2020-06-18 13:49 ` dsmich
2020-06-18 14:54 ` Ludovic Courtès
2020-06-18 15:17 ` dsmich
2020-06-19 16:07 ` Andrew Gierth [this message]
2020-06-20 14:04 ` Ludovic Courtès
2020-06-20 14:37 ` Ludovic Courtès
2020-06-19 19:10 ` dsmich
2020-06-22 14:34 ` dsmich
2020-06-22 15:18 ` bug#40737: 40737-done@debbugs.gnu.org Dale Smith
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