diff options
Diffstat (limited to 'vm/mterp/x86/OP_CMPG_DOUBLE.S')
| -rw-r--r-- | vm/mterp/x86/OP_CMPG_DOUBLE.S | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/vm/mterp/x86/OP_CMPG_DOUBLE.S b/vm/mterp/x86/OP_CMPG_DOUBLE.S new file mode 100644 index 0000000..0eb1ac2 --- /dev/null +++ b/vm/mterp/x86/OP_CMPG_DOUBLE.S @@ -0,0 +1,36 @@ +%default {"is_double":"1","nanval":"1"} +%verify "executed" +%verify "basic lt, gt, eq" +%verify "left arg NaN" +%verify "right arg NaN" + /* float/double_cmp[gl] vAA, vBB, vCC */ + movzbl 3(rPC),%eax # eax<- CC + movzbl 2(rPC),%ecx # ecx<- BB + .if $is_double + fldl (rFP,%eax,4) + fldl (rFP,%ecx,4) + .else + flds (rFP,%eax,4) + flds (rFP,%ecx,4) + .endif + movzbl rINST_HI,rINST_FULL + xorl %ecx,%ecx + fucompp # z if equal, p set if NaN, c set if st0 < st1 + fnstsw %ax + sahf + movl rINST_FULL,%eax + FETCH_INST_WORD(2) + jp .L${opcode}_isNaN + je .L${opcode}_finish + sbbl %ecx,%ecx + jb .L${opcode}_finish + incl %ecx +.L${opcode}_finish: + SET_VREG(%ecx,%eax) + ADVANCE_PC(2) + GOTO_NEXT +%break + +.L${opcode}_isNaN: + movl $$$nanval,%ecx + jmp .L${opcode}_finish |