llvm-6502

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History

Jakob Stoklund Olesen 8c741b8064 Use logarithmic units for basic block alignment. This was actually a bit of a mess. TLI.setPrefLoopAlignment was clearly documented as taking log2(bytes) units, but the x86 target would still set a preferred loop alignment of '16'. CodePlacementOpt passed this number on to the basic block, and AsmPrinter interpreted it as bytes. Now both MachineFunction and MachineBasicBlock use logarithmic alignments. Obviously, MachineConstantPool still measures alignments in bytes, so we can emulate the thrill of using as. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145889 91177308-0d34-0410-b5e6-96231b3b80d8	2011-12-06 01:26:19 +00:00
..
llvm	Use logarithmic units for basic block alignment.	2011-12-06 01:26:19 +00:00
llvm-c	Fixed ObjectFile functions:	2011-11-29 17:40:10 +00:00

Jakob Stoklund Olesen 8c741b8064 Use logarithmic units for basic block alignment.

This was actually a bit of a mess. TLI.setPrefLoopAlignment was clearly
documented as taking log2(bytes) units, but the x86 target would still
set a preferred loop alignment of '16'.

CodePlacementOpt passed this number on to the basic block, and
AsmPrinter interpreted it as bytes.

Now both MachineFunction and MachineBasicBlock use logarithmic
alignments.

Obviously, MachineConstantPool still measures alignments in bytes, so we
can emulate the thrill of using as.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145889 91177308-0d34-0410-b5e6-96231b3b80d8

2011-12-06 01:26:19 +00:00

llvm

Use logarithmic units for basic block alignment.

2011-12-06 01:26:19 +00:00

llvm-c

Fixed ObjectFile functions:

2011-11-29 17:40:10 +00:00