| %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. |
| */ |
| // TUNING: rework to avoid rIBASE spill |
| /* cmp-long vAA, vBB, vCC */ |
| movzbl 2(rPC),%ecx # ecx<- BB |
| SPILL(rIBASE) |
| movzbl 3(rPC),rIBASE # rIBASE- CC |
| GET_VREG_WORD %eax %ecx,1 # eax<- v[BB+1] |
| GET_VREG_WORD %ecx %ecx 0 # ecx<- v[BB+0] |
| cmpl 4(rFP,rIBASE,4),%eax |
| jl .L${opcode}_smaller |
| jg .L${opcode}_bigger |
| sub (rFP,rIBASE,4),%ecx |
| ja .L${opcode}_bigger |
| jb .L${opcode}_smaller |
| SET_VREG %ecx rINST |
| FETCH_INST_OPCODE 2 %ecx |
| UNSPILL(rIBASE) |
| ADVANCE_PC 2 |
| GOTO_NEXT_R %ecx |
| |
| .L${opcode}_bigger: |
| movl $$1,%ecx |
| SET_VREG %ecx rINST |
| FETCH_INST_OPCODE 2 %ecx |
| UNSPILL(rIBASE) |
| ADVANCE_PC 2 |
| GOTO_NEXT_R %ecx |
| |
| .L${opcode}_smaller: |
| movl $$-1,%ecx |
| SET_VREG %ecx rINST |
| FETCH_INST_OPCODE 2 %ecx |
| UNSPILL(rIBASE) |
| ADVANCE_PC 2 |
| GOTO_NEXT_R %ecx |
