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

Add Intel encodings for jump and branch instructions.

Browse Source 
Just implement jump, brz, and brnz as needed for WebAssembly.
This commit is contained in:
Jakob Stoklund Olesen
2017-07-18 14:54:34 -07:00
parent 53d9232d39
commit efdbf0d735
6 changed files with 188 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
cranelift/filetests/isa/intel/binary32.cton
View File

@@ -262,6 +262,28 @@ ebb0:
; asm: call *%esi
call_indirect sig0, v2() ; bin: ff d6
; asm: testl %ecx, %ecx
; asm: je ebb1
brz v1, ebb1 ; bin: 85 c9 74 0e
; asm: testl %esi, %esi
; asm: je ebb1
brz v2, ebb1 ; bin: 85 f6 74 0a
; asm: testl %ecx, %ecx
; asm: jne ebb1
brnz v1, ebb1 ; bin: 85 c9 75 06
; asm: testl %esi, %esi
; asm: jne ebb1
brnz v2, ebb1 ; bin: 85 f6 75 02
; asm: jmp ebb2
jump ebb2 ; bin: eb 01
; asm: ebb1:
ebb1:
; asm: ret
return ; bin: c3
; asm: ebb2:
ebb2:
jump ebb1 ; bin: eb fd
}