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Commit Graph

10 Commits

Author SHA1 Message Date
Daniel Sanders
f80bcb1cba [mips] Make isel select the correct DEXT variant up front.
Summary:
Previously, it would always select DEXT and substitute any invalid matches
for DEXTU/DEXTM during MipsMCCodeEmitter::encodeInstruction(). This works
but causes problems when adding range checked immediates to IAS.

Now isel selects the correct variant up front.

Reviewers: vkalintiris

Subscribers: dsanders, llvm-commits

Differential Revision: http://reviews.llvm.org/D16810

llvm-svn: 262229
2016-02-29 15:26:54 +00:00
Vladimir Medic
c5ca3a9948 Replace obsolete -mattr=n64 command line option with -target-abi=n64. No functional changes.
llvm-svn: 230628
2015-02-26 12:29:48 +00:00
Daniel Sanders
2cb9c461b4 [mips] Use MTHC1 when it is available (MIPS32r2 and later) for both FP32 and FP64
Summary:
To make this work for both AFGR64 and FGR64 register sets, I've had to make the
instruction definition consistent with the white lie (that it reads the lower
32-bits of the register) when they are generated by expandBuildPairF64().

Corrected the definition of hasMips32r2() and hasMips64r2() to include
MIPS32r6 and MIPS64r6.

Depends on D3956

Reviewers: jkolek, zoran.jovanovic, vmedic

Reviewed By: vmedic

Differential Revision: http://reviews.llvm.org/D3957

llvm-svn: 210771
2014-06-12 11:55:58 +00:00
Daniel Sanders
5698dfd860 [mips] Fix fcopysign for MIPS-IV and add the test.
Summary:
This was another incorrect use of hasMips64() vs isGP64bit().

Depends on D3344

Reviewers: matheusalmeida, vmedic

Reviewed By: vmedic

Differential Revision: http://reviews.llvm.org/D3347

llvm-svn: 206187
2014-04-14 16:24:12 +00:00
Akira Hatanaka
6636922675 Fix bugs in lowering of FCOPYSIGN nodes.
- FCOPYSIGN nodes that have operands of different types were not handled.
- Different code was generated depending on the endianness of the target.

Additionally, code is added that emits INS and EXT instructions, if they are
supported by target (they are R2 instructions).

llvm-svn: 154540
2012-04-11 22:13:04 +00:00
Akira Hatanaka
e54da3bfa2 Add patterns for matching immediates whose lower 16-bit is cleared. These
patterns emit a single LUi instruction instead of a pair of LUi and ORi.

llvm-svn: 146900
2011-12-19 20:21:18 +00:00
Akira Hatanaka
2b45547782 Modify LowerFCOPYSIGN to handle Mips64.
llvm-svn: 146080
2011-12-07 21:48:50 +00:00
Dan Gohman
6e1bd851dc Change the default scheduler from Latency to ILP, since Latency
is going away.

llvm-svn: 142810
2011-10-24 17:45:02 +00:00
Akira Hatanaka
a8f0f7babb Fix test cases.
Generate code for Mips32r1 unless a Mips32r2 feature is tested.

llvm-svn: 139433
2011-09-09 23:14:58 +00:00
Akira Hatanaka
32b5043265 Custom-lower FCOPYSIGN nodes.
llvm-svn: 132074
2011-05-25 19:32:07 +00:00