T0b1/wasmtime
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add subtract and logical instruction encodings to Intel-32.

Browse Source 
Also add versions with 8-bit and 32-bit immediate operands.
This commit is contained in:
Jakob Stoklund Olesen
2017-05-12 10:35:18 -07:00
parent 3aaa8b2f91
commit c998df6274
5 changed files with 117 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
lib/cretonne/src/isa/intel/binemit.rs
View File

@@ -53,3 +53,27 @@ fn recipe_op1rc<CS: CodeSink + ?Sized>(func: &Function, inst: Inst, sink: &mut C
panic!("Expected Binary format: {:?}", func.dfg[inst]);
}
}
fn recipe_op1rib<CS: CodeSink + ?Sized>(func: &Function, inst: Inst, sink: &mut CS) {
if let InstructionData::BinaryImm { arg, imm, .. } = func.dfg[inst] {
let bits = func.encodings[inst].bits();
put_op1(bits, sink);
modrm_r_bits(func.locations[arg].unwrap_reg(), bits, sink);
let imm: i64 = imm.into();
sink.put1(imm as u8);
} else {
panic!("Expected BinaryImm format: {:?}", func.dfg[inst]);
}
}
fn recipe_op1rid<CS: CodeSink + ?Sized>(func: &Function, inst: Inst, sink: &mut CS) {
if let InstructionData::BinaryImm { arg, imm, .. } = func.dfg[inst] {
let bits = func.encodings[inst].bits();
put_op1(bits, sink);
modrm_r_bits(func.locations[arg].unwrap_reg(), bits, sink);
let imm: i64 = imm.into();
sink.put4(imm as u32);
} else {
panic!("Expected BinaryImm format: {:?}", func.dfg[inst]);
}
}