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Author SHA1 Message Date
Simon Dardis 509da1a46d [mips] divide macro instruction cleanup. 
Clean up the implementation of divide macro expansion by getting rid of a
FIXME regarding magic numbers and branch instructions. Match GAS' behaviour
for expansion of ddiv / div in the two and three operand cases. Add the two
operand alias for MIPSR6. Finally, optimize macro expansion cases where the
divisior is the $zero register.

Reviewers: slthakur

Differential Revision: https://reviews.llvm.org/D29887

llvm-svn: 294960
 2017-02-13 16:06:48 +00:00
Simon Dardis 12850eeac5 [mips] Addition of the immediate cases for the instructions [d]div, [d]divu 
Related to http://reviews.llvm.org/D15772

Depends on http://reviews.llvm.org/D16888

Adds support for immediate operand for [D]DIV[U] instructions.

Patch By: Srdjan Obucina

Reviewers: zoran.jovanovic, vkalintiris, dsanders, obucina

Differential Revision: https://reviews.llvm.org/D16889

llvm-svn: 293614
 2017-01-31 10:49:24 +00:00
Zoran Jovanovic 973405bec5 [mips] Addition of a third operand to the instructions [d]div, [d]divu 
Author: obucina
Reviewers: dsanders
Adds support for third operand for [D]DIV[U] instructions. Additional test for case when destination reg is zero register
Differential Revision: http://reviews.llvm.org/D16888

llvm-svn: 269636
 2016-05-16 08:57:59 +00:00
Daniel Sanders 3ebcaf6685 [mips] Added support for the div, divu, ddiv and ddivu macros which use traps and breaks in the integrated assembler. 
Summary:

Patch by Scott Egerton

Reviewers: vkalintiris, dsanders

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D11675

llvm-svn: 246763
 2015-09-03 12:31:22 +00:00