2. Added partial debug support for mingw\cygwin targets (the same as
   Linux\ELF). Please note, that currently mingw\cygwin uses 'stabs' format
   for storing debug info by default, thus many (runtime) libraries has
   this information included. These formats shouldn't be mixed in one binary
   ('stabs' & 'DWARF'), otherwise binutils tools will be confused.

llvm-svn: 31311

generated object modules to be debugged with gdb. Hopefully this helps
pre-release debugging.

llvm-svn: 31299

llvm-svn: 31294

llvm-svn: 31228

llvm-svn: 31220

to match MOVL (movss, movsd, etc.). Don't forget to commute it back and try
unpck* and shufp* if that doesn't pan out.

llvm-svn: 31186

llvm-svn: 31183

llvm-svn: 31065

llvm-svn: 30974

llvm-svn: 30945

llvm-svn: 30913

llvm-svn: 30847

llvm-svn: 30844

llvm-svn: 30759

llvm-svn: 30748

llvm-svn: 30723

CodeGen/X86/scalar_sse_minmax.ll

llvm-svn: 30719

extra operand to LOADX to specify the exact value extension type.

llvm-svn: 30714

llvm-svn: 30703

llvm-svn: 30631

llvm-svn: 30608

llvm-svn: 30553

llvm-svn: 30549

Added X86 StdCall & FastCall calling conventions. Codegen will follow.

llvm-svn: 30446

llvm-svn: 30441

DLL* linkages got full (I hope) codegeneration support in C & both x86
assembler backends.
External weak linkage added for future use, we don't provide any
codegeneration, etc. support for it.

llvm-svn: 30374

llvm-svn: 30294

llvm-svn: 30293

This implements CodeGen/X86/jump_sign.ll.

llvm-svn: 30283

llvm-svn: 30279

operand of a conditional branch to allow load folding into CMP / TEST
instructions.

llvm-svn: 30241

llvm-svn: 30177

  shuffle V1, <undef>, <undef, undef, 4, 5>
- Fix some suspicious logic into LowerVectorShuffle that cause less than
  optimal code by failing to identify MOVL (move to lowest element of a
  vector).

llvm-svn: 30171

using test, which provides nice simplifications like:

-       movl %edi, %ecx
-       andl $2, %ecx
-       cmpl $0, %ecx
+       testl $2, %edi
        je LBB1_11      #cond_next90

There are a couple of dagiselemitter deficiencies that this exposes, they will
be handled later.

llvm-svn: 30156

llvm-svn: 29752

llvm-svn: 29751

llvm-svn: 29750

llvm-svn: 29747

llvm-svn: 29746

llvm-svn: 29614