| /* |
| * 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), %eax # eax <- BB |
| movzbl 3(rPC), %ecx # ecx <- CC |
| GET_VREG_HIGH %eax %eax # eax <- v[BB+1], BB is clobbered |
| cmpl VREG_HIGH_ADDRESS(%ecx), %eax |
| jl .L${opcode}_smaller |
| jg .L${opcode}_bigger |
| movzbl 2(rPC), %eax # eax <- BB, restore BB |
| GET_VREG %eax %eax # eax <- v[BB] |
| sub VREG_ADDRESS(%ecx), %eax |
| ja .L${opcode}_bigger |
| jb .L${opcode}_smaller |
| .L${opcode}_finish: |
| SET_VREG %eax rINST |
| ADVANCE_PC_FETCH_AND_GOTO_NEXT 2 |
| |
| .L${opcode}_bigger: |
| movl $$1, %eax |
| jmp .L${opcode}_finish |
| |
| .L${opcode}_smaller: |
| movl $$-1, %eax |
| jmp .L${opcode}_finish |
