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3 Commits

Author SHA1 Message Date
Akira Hatanaka
06b2c52edc [mips] Stop reserving register AT and use register scavenger when a scratch 
register is needed.

llvm-svn: 167341
 2012-11-03 00:05:43 +00:00
Jack Carter
5ce6f4b4e5 Another 32 to 64 bit sign extension bug. 
The fields in the td definition were switched.

llvm-svn: 161607
 2012-08-09 19:43:18 +00:00
Jack Carter
32420dd092 The define for 64 bit sign extension neglected to 
initialize fields of the class that it used.

The result was nonsense code.

Before:
0000000000000000 <foo>:
   0:    00441100     0x441100
   4:    03e00008     jr    ra
   8:    00000000     nop

After:
0000000000000000 <foo>:
   0:    00041000     sll    v0,a0,0x0
   4:    03e00008     jr    ra
   8:    00000000     nop 

llvm-svn: 161377
 2012-08-07 00:35:22 +00:00