diff options
| author | gdkchan <gab.dark.100@gmail.com> | 2019-01-29 13:06:11 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-01-29 13:06:11 -0300 |
| commit | c1bdf19061ec679aa3c69eda2a41337e3e809014 (patch) | |
| tree | f3813b8df8ff8dd1fbf73fd085893b0df21850dc /ChocolArm64/State/PState.cs | |
| parent | 8f7fcede7fa98c605925dc7b9316940960543bf1 (diff) | |
Implement some ARM32 memory instructions and CMP (#565)
* Implement ARM32 memory instructions: LDM, LDR, LDRB, LDRD, LDRH, LDRSB, LDRSH, STM, STR, STRB, STRD, STRH (immediate and register + immediate variants), implement CMP (immediate and register shifted by immediate variants)
* Rename some opcode classes and flag masks for consistency
* Fix a few suboptimal ARM32 codegen issues, only loads should be considered on decoder when checking if Rt == PC, and only NZCV flags should be considered for comparison optimizations
* Take into account Rt2 for LDRD instructions aswell when checking if the instruction changes PC
* Re-align arm32 instructions on the opcode table
Diffstat (limited to 'ChocolArm64/State/PState.cs')
| -rw-r--r-- | ChocolArm64/State/PState.cs | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/ChocolArm64/State/PState.cs b/ChocolArm64/State/PState.cs index aef5f53b..053a5357 100644 --- a/ChocolArm64/State/PState.cs +++ b/ChocolArm64/State/PState.cs @@ -6,22 +6,19 @@ namespace ChocolArm64.State enum PState { TBit = 5, + EBit = 9, VBit = 28, CBit = 29, ZBit = 30, NBit = 31, - T = 1 << TBit, + TMask = 1 << TBit, + EMask = 1 << EBit, - V = 1 << VBit, - C = 1 << CBit, - Z = 1 << ZBit, - N = 1 << NBit, - - Nz = N | Z, - Cv = C | V, - - Nzcv = Nz | Cv + VMask = 1 << VBit, + CMask = 1 << CBit, + ZMask = 1 << ZBit, + NMask = 1 << NBit } } |