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

Add Intel encodings for ifcmp_imm.

Browse Source 
The instruction set has variants with 8-bit and 32-bit signed immediate
operands.

Add a TODO to use a TEST instruction for the special case ifcmp_imm x, 0.
This commit is contained in:
Jakob Stoklund Olesen
2018-02-13 10:37:26 -08:00
parent 788a78caf4
commit 60e70da0e6
4 changed files with 55 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
cranelift/filetests/isa/intel/binary32.cton
View File

@@ -540,5 +540,15 @@ ebb1:
; asm: cmpl %esp, %esi
[-,%eflags] v41 = ifcmp_sp v2 ; bin: 39 e6
; asm: cmpl $-100, %ecx
[-,%eflags] v42 = ifcmp_imm v1, -100 ; bin: 83 f9 9c
; asm: cmpl $100, %esi
[-,%eflags] v43 = ifcmp_imm v2, 100 ; bin: 83 fe 64
; asm: cmpl $-10000, %ecx
[-,%eflags] v44 = ifcmp_imm v1, -10000 ; bin: 81 f9 ffffd8f0
; asm: cmpl $10000, %esi
[-,%eflags] v45 = ifcmp_imm v2, 10000 ; bin: 81 fe 00002710
return
}