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5 Commits

Author SHA1 Message Date
Vasileios Kalintiris
d72ba1af57 [mips] Optimize code generation for 64-bit variable shift instructions. 
Summary:
The 64-bit version of the variable shift instructions uses the
shift_rotate_reg class which uses a GPR32Opnd to specify the variable
shift amount. With this patch we avoid the generation of a redundant
SLL instruction for the variable shift instructions in 64-bit targets.

Reviewers: dsanders

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D7413

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235376 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-04-21 10:49:03 +00:00
Akira Hatanaka
ee973147ac Remove definitions of double word shift plus 32 instructions. Assembler or 
direct-object emitter should emit the appropriate shift instruction depending
on the shift amount.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146893 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-19 19:44:09 +00:00
Akira Hatanaka
c7bafe9241 Add definitions of Mips64 rotate instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140870 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-30 18:51:46 +00:00
Akira Hatanaka
d80c13bfed Check values of immediate operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140860 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-30 17:19:21 +00:00
Akira Hatanaka
25a7d94e81 Mips64 shift instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140841 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-30 03:18:46 +00:00