From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [patch] Incorrect arm vfp condition codes
Date: Sat, 23 Apr 2005 17:42:26 +0100 [thread overview]
Message-ID: <200504231742.27070.paul@codesourcery.com> (raw)
The arm vfp fcmp and fcmpe instructions set the condition code incorrectly.
Patch below fixes this.
Paul
Index: target-arm/op_helper.c
===================================================================
RCS file: /cvsroot/qemu/qemu/target-arm/op_helper.c,v
retrieving revision 1.2
diff -u -p -r1.2 op_helper.c
--- target-arm/op_helper.c 13 Mar 2005 18:50:12 -0000 1.2
+++ target-arm/op_helper.c 23 Apr 2005 16:37:09 -0000
@@ -67,7 +67,7 @@ void do_vfp_cmp##p(void)
{ \
uint32_t flags; \
switch(float ## size ## _compare_quiet(FT0##p, FT1##p,
&env->vfp.fp_status)) {\
- case 0: flags = 0xc; break;\
+ case 0: flags = 0x6; break;\
case -1: flags = 0x8; break;\
case 1: flags = 0x2; break;\
default: case 2: flags = 0x3; break;\
@@ -80,7 +80,7 @@ void do_vfp_cmpe##p(void)
{ \
uint32_t flags; \
switch(float ## size ## _compare(FT0##p, FT1##p, &env->vfp.fp_status)) {\
- case 0: flags = 0xc; break;\
+ case 0: flags = 0x6; break;\
case -1: flags = 0x8; break;\
case 1: flags = 0x2; break;\
default: case 2: flags = 0x3; break;\
reply other threads:[~2005-04-23 16:43 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200504231742.27070.paul@codesourcery.com \
--to=paul@codesourcery.com \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).