Commit Graph

4 Commits

Author SHA1 Message Date
Simon Dardis 5852c4c108 Revert "[mips][microMIPS] Extending size reduction pass with ADDIUSP and ADDIUR1SP"
This reverts commit r305455. This commit was reported as breaking one of
the sanitizer buildbots. Reverting until lab.llvm.org comes back online.

llvm-svn: 305557
2017-06-16 14:00:33 +00:00
Zoran Jovanovic d9299293ad [mips][microMIPS] Extending size reduction pass with ADDIUSP and ADDIUR1SP
Author: milena.vujosevic.janicic
Reviewers: sdardis
The patch extends size reduction pass for MicroMIPS.
The following instructions are examined and transformed, if possible:
ADDIU instruction is transformed into 16-bit instruction ADDIUSP
ADDIU instruction is transformed into 16-bit instruction ADDIUR1SP
Differential Revision: https://reviews.llvm.org/D33887

llvm-svn: 305455
2017-06-15 09:14:33 +00:00
Zoran Jovanovic 2aae0649a1 [mips][microMIPS] Extending size reduction pass with LBU16, LHU16, SB16 and SH16
Author: milena.vujosevic.janicic
Reviewers: sdardis
The patch extends size reduction pass for MicroMIPS.
The following instructions are examined and transformed, if possible:
LBU instruction is transformed into 16-bit instruction LBU16
LHU instruction is transformed into 16-bit instruction LHU16
SB instruction is transformed into 16-bit instruction SB16
SH instruction is transformed into 16-bit instruction SH16
Differential Revision: https://reviews.llvm.org/D33091

llvm-svn: 304550
2017-06-02 14:14:21 +00:00
Zoran Jovanovic ffef3e3c6a [mips][microMIPS] Adding code size reduction pass for MicroMIPS
Author: milena.vujosevic.janicic
Reviewers: sdardis
The code implements size reduction pass for MicroMIPS.
Load and store instructions are examined and transformed, if possible.
lw32 instruction is transformed into 16-bit instruction lwsp
sw32 instruction is transformed into 16-bit instruction swsp
Arithmetic instrcutions are examined and transformed, if possible.
addu32 instruction is transformed into 16-bit instruction addu16
subu32 instruction is transformed into 16-bit instruction subu16
Differential Revision: https://reviews.llvm.org/D15144

llvm-svn: 301540
2017-04-27 13:10:48 +00:00