diff options
| author | abidh <abidh> | 2013-04-19 18:17:32 +0000 |
|---|---|---|
| committer | abidh <abidh> | 2013-04-19 18:17:32 +0000 |
| commit | f7eb9e8a850efb3f2c65d29cdacaf88ada15f8bd (patch) | |
| tree | f825a4381eb8becb81b352ba2bb9db80f7994ce6 /sim | |
| parent | 5e5c0ff1bb5f27ebd180c0696a104f2816d0c145 (diff) | |
| download | gdb-f7eb9e8a850efb3f2c65d29cdacaf88ada15f8bd.tar.gz | |
2013-04-19 Nathan Froyd <froydnj@codesourcery.com>
* ppc-instructions (isel): New instruction.
Diffstat (limited to 'sim')
| -rw-r--r-- | sim/ChangeLog | 4 | ||||
| -rw-r--r-- | sim/ppc/ppc-instructions | 13 |
2 files changed, 17 insertions, 0 deletions
diff --git a/sim/ChangeLog b/sim/ChangeLog index bc3c89412e1..b0a75b72d0f 100644 --- a/sim/ChangeLog +++ b/sim/ChangeLog @@ -1,3 +1,7 @@ +2013-04-19 Nathan Froyd <froydnj@codesourcery.com> + + * ppc-instructions (isel): New instruction. + 2013-03-15 Steve Ellcey <sellcey@mips.com> * arm/wrapper.c (sim_complete_command): Make char arguments const. diff --git a/sim/ppc/ppc-instructions b/sim/ppc/ppc-instructions index 1b8fd89ad29..d76a7654c50 100644 --- a/sim/ppc/ppc-instructions +++ b/sim/ppc/ppc-instructions @@ -3455,6 +3455,19 @@ void::function::invalid_zero_divide_operation:cpu *processor, unsigned_word cia, PPC_INSN_MFCR(RT_BITMASK); # +# I.3.3.15 Fixed-Point Select +# + +0.31,6.RT,11.RA,16.RB,21.BF,26.15,31./:A::isel:Integer Select + unsigned_word a; + if (RA_is_0) a = 0; + else a = *rA; + if (CR & (1 << (31 - BF))) + *rT = a; + else + *rT = *rB; + +# # I.4.6.2 Floating-Point Load Instructions # |