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Commit Graph

14 Commits

Author SHA1 Message Date
Akira Hatanaka
66dcf905b6 [mips] Print instructions "beq", "bne" and "or" using assembler pseudo
instructions "beqz", "bnez" and "move", when possible.

beq $2, $zero, $L1 => beqz $2, $L1
bne $2, $zero, $L1 => bnez $2, $L1
or  $2, $3, $zero  => move $2, $3

llvm-svn: 187229
2013-07-26 18:34:25 +00:00
Stephen Lin
7e501cf4c3 Mass update to CodeGen tests to use CHECK-LABEL for labels corresponding to function definitions for more informative error messages. No functionality change and all updated tests passed locally.
This update was done with the following bash script:

  find test/CodeGen -name "*.ll" | \
  while read NAME; do
    echo "$NAME"
    if ! grep -q "^; *RUN: *llc.*debug" $NAME; then
      TEMP=`mktemp -t temp`
      cp $NAME $TEMP
      sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \
      while read FUNC; do
        sed -i '' "s/;\(.*\)\([A-Za-z0-9_-]*\):\( *\)$FUNC: *\$/;\1\2-LABEL:\3$FUNC:/g" $TEMP
      done
      sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP
      sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP
      sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP
      sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP
      mv $TEMP $NAME
    fi
  done

llvm-svn: 186280
2013-07-14 06:24:09 +00:00
Akira Hatanaka
13f3fde46f [mips] Big-endian code generation for atomic instructions.
Patch by Jyun-Yan You.

llvm-svn: 182984
2013-05-31 03:25:44 +00:00
Akira Hatanaka
5a2c763cb0 [mips] Fix bug in test case. Disable machine LICM to prevent instruction from
being moved out of a basic block.

llvm-svn: 167322
2012-11-02 21:46:42 +00:00
Akira Hatanaka
a80ec224bf Fix test cases.
llvm-svn: 156697
2012-05-12 03:25:16 +00:00
Akira Hatanaka
3e39081c4a Do not replace operands of pseudo instructions with register $zero.
llvm-svn: 156663
2012-05-11 23:22:18 +00:00
Eli Friedman
56e68f7271 Convert more tests over to the new atomic instructions.
llvm-svn: 140559
2011-09-26 20:27:49 +00:00
Akira Hatanaka
f65d050693 Drop support for Mips1 and Mips2.
llvm-svn: 139405
2011-09-09 20:45:50 +00:00
Akira Hatanaka
a50bbdfe15 Lower memory barriers to sync instructions.
llvm-svn: 135537
2011-07-19 23:30:50 +00:00
Akira Hatanaka
14e517df43 Use the correct opcodes: SLLV/SRLV or AND must be used instead of SLL/SRL or
ANDi, when the instruction does not have any immediate operands.

llvm-svn: 135520
2011-07-19 20:34:00 +00:00
Akira Hatanaka
f59cbeec14 Remove redundant instructions.
- In EmitAtomicBinaryPartword, mask incr in loopMBB only if atomic.swap is the
  instruction being expanded, instead of masking it in thisMBB. 
- Remove redundant Or in EmitAtomicCmpSwap. 

llvm-svn: 135495
2011-07-19 18:14:26 +00:00
Akira Hatanaka
52263f51f1 Do not treat atomic.load.sub differently than other atomic binary intrinsics.
llvm-svn: 135418
2011-07-18 19:58:59 +00:00
Akira Hatanaka
79f38f0ae7 Set mayLoad or mayStore flags for SC and LL in order to prevent LICM from
moving them out of the loop. Previously, stores and loads to a stack frame
object were inserted to accomplish this. Remove the code that was needed to do
this. Patch by Sasa Stankovic.

llvm-svn: 135415
2011-07-18 18:52:12 +00:00
Bruno Cardoso Lopes
728ea362c3 This patch implements atomic intrinsics atomic.load.add (sub,and,or,xor,
nand), atomic.swap and atomic.cmp.swap, all in i8, i16 and i32 versions.
The intrinsics are implemented by creating pseudo-instructions, which are
then expanded in the method MipsTargetLowering::EmitInstrWithCustomInserter.

Patch by Sasa Stankovic.

llvm-svn: 132323
2011-05-31 02:54:07 +00:00