LLVM backend for 6502
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Chris Lattner af723b9ae4 Add target-specific dag combines for FAND(x,0) and FOR(x,0). This allows
us to compile:

double test(double X) {
  return copysign(0.0, X);
}

into:

_test:
	andpd	LCPI1_0(%rip), %xmm0
	ret

instead of:
_test:
	pxor	%xmm1, %xmm1
	andpd	LCPI1_0(%rip), %xmm1
	movapd	%xmm0, %xmm2
	andpd	LCPI1_1(%rip), %xmm2
	movapd	%xmm1, %xmm0
	orpd	%xmm2, %xmm0
	ret



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46344 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-25 05:46:26 +00:00
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include Added additional overloaded operators for APSInt to match the operators of 2008-01-24 18:59:52 +00:00
lib Add target-specific dag combines for FAND(x,0) and FOR(x,0). This allows 2008-01-25 05:46:26 +00:00
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runtime Fixing the stack walker. 2008-01-24 05:16:36 +00:00
test Add target-specific dag combines for FAND(x,0) and FOR(x,0). This allows 2008-01-25 05:46:26 +00:00
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utils Add interator interface to DAGInit also 2008-01-22 11:00:07 +00:00
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Low Level Virtual Machine (LLVM)
================================

This directory and its subdirectories contain source code for the Low Level 
Virtual Machine, a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments. 

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the HTML documentation provided in docs/index.html for further
assistance with LLVM.