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| author | Dave Brolley <brolley@redhat.com> | 2000-09-26 17:23:58 +0000 |
|---|---|---|
| committer | Dave Brolley <brolley@redhat.com> | 2000-09-26 17:23:58 +0000 |
| commit | 6d4c43bfc62a1f237431df1be13ced96d7cade6c (patch) | |
| tree | e953dbc9c3bb82210e7e2be113d3824617905f0f /sim/common | |
| parent | c78b4128575c657ab87e3170fdd2d63b09a3072f (diff) | |
| download | gdb-6d4c43bfc62a1f237431df1be13ced96d7cade6c.zip gdb-6d4c43bfc62a1f237431df1be13ced96d7cade6c.tar.gz gdb-6d4c43bfc62a1f237431df1be13ced96d7cade6c.tar.bz2 | |
2000-09-26 Dave Brolley <brolley@redhat.com>
* cgen-utils.c (RORQI): New function.
(ROLQI): New function.
(RORHI): New function.
(ROLHI): New function.
Diffstat (limited to 'sim/common')
| -rw-r--r-- | sim/common/ChangeLog | 7 | ||||
| -rw-r--r-- | sim/common/cgen-utils.c | 68 |
2 files changed, 75 insertions, 0 deletions
diff --git a/sim/common/ChangeLog b/sim/common/ChangeLog index 3f13ea6..4b43e06 100644 --- a/sim/common/ChangeLog +++ b/sim/common/ChangeLog @@ -1,3 +1,10 @@ +2000-09-26 Dave Brolley <brolley@redhat.com> + + * cgen-utils.c (RORQI): New function. + (ROLQI): New function. + (RORHI): New function. + (ROLHI): New function. + 2000-08-28 Dave Brolley <brolley@redhat.com> * cgen-trace.c (sim_cgen_disassemble_insn): Make sure entire insn is diff --git a/sim/common/cgen-utils.c b/sim/common/cgen-utils.c index e7407ed..a45804e 100644 --- a/sim/common/cgen-utils.c +++ b/sim/common/cgen-utils.c @@ -321,6 +321,74 @@ CONVDISI (val) #endif /* DI_FN_SUPPORT */ +QI +RORQI (val, shift) + QI val; + int shift; +{ + if (shift != 0) + { + int remain = 8 - shift; + int mask = (1 << shift) - 1; + QI result = (val & mask) << remain; + mask = (1 << remain) - 1; + result |= (val >> shift) & mask; + return result; + } + return val; +} + +QI +ROLQI (val, shift) + QI val; + int shift; +{ + if (shift != 0) + { + int remain = 8 - shift; + int mask = (1 << remain) - 1; + QI result = (val & mask) << shift; + mask = (1 << shift) - 1; + result |= (val >> remain) & mask; + return result; + } + return val; +} + +HI +RORHI (val, shift) + HI val; + int shift; +{ + if (shift != 0) + { + int remain = 16 - shift; + int mask = (1 << shift) - 1; + HI result = (val & mask) << remain; + mask = (1 << remain) - 1; + result |= (val >> shift) & mask; + return result; + } + return val; +} + +HI +ROLHI (val, shift) + HI val; + int shift; +{ + if (shift != 0) + { + int remain = 16 - shift; + int mask = (1 << remain) - 1; + HI result = (val & mask) << shift; + mask = (1 << shift) - 1; + result |= (val >> remain) & mask; + return result; + } + return val; +} + SI RORSI (val, shift) SI val; |