diff options
| author | Andrew Cagney <cagney@redhat.com> | 1997-12-13 04:23:31 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 1997-12-13 04:23:31 +0000 |
| commit | b17d2d147491525c3368a0a5417810010e203894 (patch) | |
| tree | 8c9e0dae4c1ad4d2ab83854e4bf0f82ce192de04 /sim/mips | |
| parent | 599ef811c38c8ef3fc46bce3b738d455b618eb28 (diff) | |
| download | gdb-b17d2d147491525c3368a0a5417810010e203894.zip gdb-b17d2d147491525c3368a0a5417810010e203894.tar.gz gdb-b17d2d147491525c3368a0a5417810010e203894.tar.bz2 | |
For MADD et.al. instructions sign extend 32 bit result assigned to a
register.
Diffstat (limited to 'sim/mips')
| -rw-r--r-- | sim/mips/ChangeLog | 7 | ||||
| -rw-r--r-- | sim/mips/vr5400.igen | 4 |
2 files changed, 9 insertions, 2 deletions
diff --git a/sim/mips/ChangeLog b/sim/mips/ChangeLog index 2a0d05c..2dd2520 100644 --- a/sim/mips/ChangeLog +++ b/sim/mips/ChangeLog @@ -1,4 +1,11 @@ start-sanitize-vr5400 +Sat Dec 13 15:18:51 1997 Andrew Cagney <cagney@b1.cygnus.com> + + * vr5400.igen (Low32Bits, High32Bits): Sign extend extracted 32 + bit values. + +end-sanitize-vr5400 +start-sanitize-vr5400 Fri Dec 12 12:26:07 1997 Jeffrey A Law (law@cygnus.com) * configure.in (sim_igen_filter): Multi-sim vr5000 - vr5000 or diff --git a/sim/mips/vr5400.igen b/sim/mips/vr5400.igen index ade64ad..2e77ea2 100644 --- a/sim/mips/vr5400.igen +++ b/sim/mips/vr5400.igen @@ -35,13 +35,13 @@ :function:::unsigned64:Low32Bits:unsigned64 value { - unsigned64 result = VL4_8 (value); + unsigned64 result = (signed64) (signed32) VL4_8 (value); return result; } :function:::unsigned64:High32Bits:unsigned64 value { - unsigned64 result = VH4_8 (value); + unsigned64 result = (signed64) (signed32) VH4_8 (value); return result; } |