llvm-svn: 31595

llvm-svn: 31571

class, where it can be used for preinc formation.

llvm-svn: 31536

llvm-svn: 31535

llvm-svn: 31506

llvm-svn: 31485

llvm-svn: 31450

that takes a register and condition code.  Print these pieces of BLR the
right way, even though it is currently set to 'always'.

Next up: get the JIT encoding right, then enhance branch folding to produce
predicated blr for simple examples.

llvm-svn: 31449

llvm-svn: 31438

llvm-svn: 31433

llvm-svn: 31385

Turn on -Wunused and -Wno-unused-parameter. Clean up most of the resulting
fall out by removing unused variables. Remaining warnings have to do with
unused functions (I didn't want to delete code without review) and unused
variables in generated code. Maintainers should clean up the remaining
issues when they see them. All changes pass DejaGnu tests and Olden.

llvm-svn: 31380

sdisel changes, this eliminates a ton of copies around common inline asms.
For example:

int test2(int Y, int X) {
  asm("foo %0, %1" : "=r"(X): "r"(X));
  return X;
}

now compiles to:

_test2:
        foo r3, r4
        blr

instead of:

_test2:
        mr r2, r4
        foo r2, r2
        mr r3, r2
        blr

GCC produces:

_test2:
        foo r4, r4
        mr r3,r4
        blr

llvm-svn: 31367

llvm-svn: 31318

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

condition.  This fixes miscompilation of Olden/bh and many others.

llvm-svn: 31301

llvm-svn: 31294

llvm-svn: 31264

llvm-svn: 31253

llvm-svn: 31246

llvm-svn: 31236

        cmpw cr0, r7, r3
        ble cr0, LBB1_5 ;bb25
LBB1_8: ;bb17
        cmpw cr0, r8, r5
        bgt cr0, LBB1_2 ;bb

which is just as good as crnand.

llvm-svn: 31235

llvm-svn: 31207

llvm-svn: 31171

llvm-svn: 31148

This provides stuff like:

        cmpw cr0, r15, r29
        mr r14, r15
-       bge cr0, LBB3_111       ;bb656
-       b LBB3_90       ;bb501
+       blt cr0, LBB3_90        ;bb501
 LBB3_111:      ;bb656
        lwz r18, 68(r1)

which is particularly good for dispatch group formation.

llvm-svn: 31101

llvm-svn: 31097

llvm-svn: 31096

llvm-svn: 31028

llvm-svn: 31027

llvm-svn: 31024

llvm-svn: 31003

llvm-svn: 30994

llvm-svn: 30946

llvm-svn: 30945

llvm-svn: 30937

llvm-svn: 30936

llvm-svn: 30935

llvm-svn: 30908

llvm-svn: 30891