| %verify "executed" |
| %verify "basic lt, gt, eq" |
| %verify "hi equal, lo <=>" |
| %verify "lo equal, hi <=>" |
| /* |
| * Compare two 64-bit values. Puts 0, 1, or -1 into the destination |
| * register based on the results of the comparison. |
| */ |
| /* cmp-long vAA, vBB, vCC */ |
| movzbl 2(rPC),%ecx # ecx<- BB |
| SPILL(rPC) |
| movzbl 3(rPC),rPC # rPC<- CC |
| GET_VREG_WORD(%eax,%ecx,1) # eax<- v[BB+1] |
| GET_VREG_WORD(%ecx,%ecx,0) # ecx<- v[BB+0] |
| movzbl rINST_HI,rINST_FULL # rINST_FULL<- AA |
| cmpl 4(rFP,rPC,4),%eax |
| jl .L${opcode}_smaller |
| jg .L${opcode}_bigger |
| sub (rFP,rPC,4),%ecx |
| ja .L${opcode}_bigger |
| jb .L${opcode}_smaller |
| UNSPILL(rPC) |
| jmp .L${opcode}_finish |
| %break |
| |
| .L${opcode}_bigger: |
| UNSPILL(rPC) |
| movl $$1,%ecx |
| jmp .L${opcode}_finish |
| .L${opcode}_smaller: |
| UNSPILL(rPC) |
| movl $$-1,%ecx |
| .L${opcode}_finish: |
| SET_VREG(%ecx,rINST_FULL) |
| FETCH_INST_WORD(2) |
| ADVANCE_PC(2) |
| GOTO_NEXT |
