xiangzhai
commented
6 years ago I will run regression testcase, and at present it works well for very simple testcase:
#!/bin/bash
rm -f *.o
LLVM_BUILD=/data/project/xiangzhai/llvm/build
GCC=/opt/mips64el-gcc-8.1.0/bin/mips64el-redhat-linux-gcc
OBJDUMP=/opt/mips64el-gcc-8.1.0/bin/mips64el-redhat-linux-objdump
$LLVM_BUILD/bin/llvm-mc valid.s -triple=mips64el-redhat-linux -show-encoding -show-inst -mcpu=loongson3a
$GCC -c valid.s -o valid-gnu.o
$OBJDUMP -d valid-gnu.o
.text
gs:
.set noat
gslble $2, $3, $4 # encoding: [0x10,0x20,0x62,0xc8]
# <MCInst #1546 GSLBLE
# <MCOperand Reg:321>
# <MCOperand Reg:322>
# <MCOperand Reg:22>>
gslbgt $5, $6, $7 # encoding: [0x11,0x38,0xc5,0xc8]
# <MCInst #1545 GSLBGT
# <MCOperand Reg:23>
# <MCOperand Reg:24>
# <MCOperand Reg:25>>
gslhle $8, $9, $10 # encoding: [0x12,0x50,0x28,0xc9]
# <MCInst #1552 GSLHLE
# <MCOperand Reg:311>
# <MCOperand Reg:312>
# <MCOperand Reg:313>>
gslhgt $11, $12, $13 # encoding: [0x13,0x68,0x8b,0xc9]
# <MCInst #1551 GSLHGT
# <MCOperand Reg:314>
# <MCOperand Reg:315>
# <MCOperand Reg:316>>
gslwle $14, $15, $16 # encoding: [0x14,0x80,0xee,0xc9]
# <MCInst #1556 GSLWLE
# <MCOperand Reg:317>
# <MCOperand Reg:318>
# <MCOperand Reg:302>>
gslwgt $17, $18, $19 # encoding: [0x15,0x98,0x51,0xca]
# <MCInst #1554 GSLWGT
# <MCOperand Reg:303>
# <MCOperand Reg:304>
# <MCOperand Reg:305>>
gsldle $20, $21, $22 # encoding: [0x16,0xb0,0xb4,0xca]
# <MCInst #1549 GSLDLE
# <MCOperand Reg:402>
# <MCOperand Reg:403>
# <MCOperand Reg:404>>
gsldgt $23, $24, $25 # encoding: [0x17,0xc8,0x17,0xcb]
# <MCInst #1547 GSLDGT
# <MCOperand Reg:405>
# <MCOperand Reg:414>
# <MCOperand Reg:415>>
gslwlec1 $f0, $2, $3 # encoding: [0x1c,0x18,0x40,0xc8]
# <MCInst #1557 GSLWLEC1
# <MCOperand Reg:147>
# <MCOperand Reg:321>
# <MCOperand Reg:322>>
gslwgtc1 $f1, $4, $5 # encoding: [0x1d,0x28,0x81,0xc8]
# <MCInst #1555 GSLWGTC1
# <MCOperand Reg:148>
# <MCOperand Reg:22>
# <MCOperand Reg:23>>
gsldlec1 $f2, $6, $7 # encoding: [0x1e,0x38,0xc2,0xc8]
# <MCInst #1550 GSLDLEC1
# <MCOperand Reg:363>
# <MCOperand Reg:358>
# <MCOperand Reg:359>>
gsldgtc1 $f3, $8, $9 # encoding: [0x1f,0x48,0x03,0xc9]
# <MCInst #1548 GSLDGTC1
# <MCOperand Reg:364>
# <MCOperand Reg:406>
# <MCOperand Reg:407>>
gslq $10, $11, 4080($12) # encoding: [0xe0,0x02,0x4b,0xc9]
# <MCInst #1553 GSLQ
# <MCOperand Reg:408>
# <MCOperand Reg:409>
# <MCOperand Reg:410>
# <MCOperand Imm:4080>>
----- 8< -------- 8< -------- 8< -------- 8< -------- 8< -------- 8< ---
valid-gnu.o: file format elf64-tradlittlemips
Disassembly of section .text:
0000000000000000 <gs>:
0: c8622010 gslble v0,v1,a0
4: c8c53811 gslbgt a1,a2,a3
8: c9285012 gslhle a4,a5,a6
c: 00000000 nop
10: c98b6813 gslhgt a7,t0,t1
14: c9ee8014 gslwle t2,t3,s0
18: ca519815 gslwgt s1,s2,s3
1c: 00000000 nop
20: cab4b016 gsldle s4,s5,s6
24: cb17c817 gsldgt s7,t8,t9
28: c8401818 gslwlec1 $f0,v0,v1
2c: 00000000 nop
30: c8812819 gslwgtc1 $f1,a0,a1
34: c8c2381a gsldlec1 $f2,a2,a3
38: c903481b gsldgtc1 $f3,a4,a5
3c: 00000000 nop
40: c98b3fea gslq a6,a7,4080(t0)
...
FlyGoat
Hi @FlyGoat
I would like backport the refactory loongson march and LoongISA to binutils-2.30.
The backport is mostly the same as the version that had been merged by upstream, congratulations Xu Chenghua :)
Please review the patch, thanks a lot!
Regards, Leslie Zhai