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Author SHA1 Message Date
Chris Lattner
ff790894bd make sure to safe LR8 in the right stack slot for PPC64 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31839 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-18 01:34:43 +00:00
Chris Lattner
566c1b1a04 Pretty print 'rldicr r2, r2, 2, 61' as 'sldi r2, r2, 2'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31838 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-18 01:23:56 +00:00
Chris Lattner
54e853b8a6 Rewrite the branch selector to be correct in the face of large functions. 
The algorithm it used before wasn't 100% correct, we now use an iterative
expansion model.  This fixes assembler errors when compiling 403.gcc with
tail merging enabled.

Change the way the branch selector works overall: Now, the isel generates
PPC::BCC instructions (as it used to) directly, and these BCC instructions
are emitted to the output or jitted directly if branches don't need
expansion.  Only if branches need expansion are instructions rewritten
and created.  This should make branch select faster, and eliminates the
Bxx instructions from the .td file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31837 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-18 00:32:03 +00:00
Chris Lattner
d5275157b5 add encoding for BCC, after finally wrestling strange ppc/tblgen endianness 
issues to the ground.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31836 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 23:53:28 +00:00
Chris Lattner
18258c6404 convert PPC::BCC to use the 'pred' operand instead of separate predicate 
value and CR reg #.  This requires swapping the order of these everywhere
that touches BCC and requires us to write custom matching logic for
PPCcondbranch :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31835 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 22:37:34 +00:00
Chris Lattner
289c2d5f45 rename PPC::COND_BRANCH to PPC::BCC 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31834 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 22:14:47 +00:00
Chris Lattner
df4ed6350b start using PPC predicates more consistently. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31833 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 22:10:59 +00:00
Evan Cheng
b1409ce7ba For unsigned 8-bit division. Use movzbw to set the lower 8 bits of AX while 
clearing the upper 8-bits instead of issuing two instructions. This also
eliminates the need to target the AH register which can be problematic on
x86-64.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31832 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 22:10:14 +00:00
Jim Laskey
9dea41d9e1 Hopefully a good crack at making debugging work on intel -disable-fp-elim. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31830 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 21:19:15 +00:00
Evan Cheng
7d689e8b62 Add a x86-64 test case: movb %sil, %ah is illegal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31829 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 20:41:55 +00:00
Jim Laskey
d6fa8c166a Assert unhandled case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31828 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 18:49:39 +00:00
Jim Laskey
ba890249ce Case sensitive not. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31827 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 18:00:39 +00:00
Jim Laskey
a44fea3467 Check for MaxAlign. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31826 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 17:19:49 +00:00
Jim Laskey
64c32dd2ea Tests to verify PowerPC ABI. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31825 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 16:54:21 +00:00
Jim Laskey
2ff5cdb16c 1. Ignore the -disable-fp-elim when the routine is a leaf. 
2. Offsets on 64-bit stores are still in bytes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31824 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 16:09:31 +00:00
Jim Laskey
c1c2f4b52b Typo. Fix the nightly tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31823 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 14:06:41 +00:00
Jim Laskey
5f64a16869 Fixing the ENABLE_OPTIMIZED=1 DISABLE_ASSERTIONS=1 build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31822 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 13:07:55 +00:00
Bill Wendling
a089d4430d Need <iostream> for the time being. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31821 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 10:09:22 +00:00
Bill Wendling
31bf2b4979 Need iostream to be included for the time being. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31820 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 10:05:07 +00:00
Bill Wendling
ab41c3e6b7 Moved definition of llvm_ostream wrappers to the Streams.cpp file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31819 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 09:54:47 +00:00
Bill Wendling
52883e7a9a Used llvm_ostream instead of std::ostream objects. This will reduce use 
of the icky <iostream> class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31818 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 09:52:49 +00:00
Bill Wendling
e562ed1c92 Added wrappers for the std::cerr/std::cout objects. The wrappers will 
soon replace all uses of those objects.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31817 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 09:51:22 +00:00
Bill Wendling
0231982b62 Needed <iostream> for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31816 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 09:44:28 +00:00
Bill Wendling
6d99777e33 Needs the iostream include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31815 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 09:38:03 +00:00
Bill Wendling
2e3def1177 Removed iostream #includes. Replaced std::cerr with DOUT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31814 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 08:03:48 +00:00
Bill Wendling
6345d75729 Removed even more std::cerr and #include <iostream> things. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31813 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 07:52:03 +00:00
Bill Wendling
9be7ac1d8c Replaced DEBUG(std::cerr with DOUT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31812 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 07:36:54 +00:00
Bill Wendling
5294fb0b3f Replace DEBUG(std::cerr with DOUT. Removed some iostream #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31811 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 07:33:59 +00:00
Bill Wendling
0cb83fcab5 Removed unneeded <iostream> #include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31810 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 07:10:51 +00:00
Chris Lattner
020f714a93 If an indvar with a variable stride is used by the exit condition, go ahead 
and handle it like constant stride vars.  This fixes some bad codegen in
variable stride cases.  For example, it compiles this:

void foo(int k, int i) {
  for (k=i+i; k <= 8192; k+=i)
    flags2[k] = 0;
}

to:

LBB1_1: #bb.preheader
        movl %eax, %ecx
        addl %ecx, %ecx
        movl L_flags2$non_lazy_ptr, %edx
LBB1_2: #bb
        movb $0, (%edx,%ecx)
        addl %eax, %ecx
        cmpl $8192, %ecx
        jle LBB1_2      #bb
LBB1_5: #return
        ret

or (if the array is local and we are in dynamic-nonpic or static mode):

LBB3_2: #bb
        movb $0, _flags2(%ecx)
        addl %eax, %ecx
        cmpl $8192, %ecx
        jle LBB3_2      #bb

and:

        lis r2, ha16(L_flags2$non_lazy_ptr)
        lwz r2, lo16(L_flags2$non_lazy_ptr)(r2)
        slwi r3, r4, 1
LBB1_2: ;bb
        li r5, 0
        add r6, r4, r3
        stbx r5, r2, r3
        cmpwi cr0, r6, 8192
        bgt cr0, LBB1_5 ;return

instead of:

        leal (%eax,%eax,2), %ecx
        movl %eax, %edx
        addl %edx, %edx
        addl L_flags2$non_lazy_ptr, %edx
        xorl %esi, %esi
LBB1_2: #bb
        movb $0, (%edx,%esi)
        movl %eax, %edi
        addl %esi, %edi
        addl %ecx, %esi
        cmpl $8192, %esi
        jg LBB1_5       #return

and:

        lis r2, ha16(L_flags2$non_lazy_ptr)
        lwz r2, lo16(L_flags2$non_lazy_ptr)(r2)
        mulli r3, r4, 3
        slwi r5, r4, 1
        li r6, 0
        add r2, r2, r5
LBB1_2: ;bb
        li r5, 0
        add r7, r3, r6
        stbx r5, r2, r6
        add r6, r4, r6
        cmpwi cr0, r7, 8192
        ble cr0, LBB1_2 ;bb

This speeds up Benchmarks/Shootout/sieve from 8.533s to 6.464s and
implements LoopStrengthReduce/var_stride_used_by_compare.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31809 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 06:17:33 +00:00
Chris Lattner
fea05b464e New testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31808 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 06:09:49 +00:00
Reid Spencer
8b2e1419cf Undo removal of the runtime libraries. While this may have been a bit 
premature, these libraries will be going away for the 2.0 release. Other
arrangements for profiling, gc, etc. should be made in the next few months.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31807 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 03:32:33 +00:00
Bill Wendling
b2b9c20b61 More removal of std::cerr and DEBUG, replacing with DOUT instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31806 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 02:09:07 +00:00
Chris Lattner
280b714cd0 implement a todo: change a map into a vector 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31805 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 01:52:23 +00:00
Evan Cheng
fb1aab0673 Add opcode to TargetInstrDescriptor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31804 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 01:46:27 +00:00
Bill Wendling
a72ac422a2 #ifndef NDEBUG the "if (Stream) ..." stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31803 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 01:43:48 +00:00
Evan Cheng
33247d537d Add opcode to TargetInstrDescriptor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31802 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 01:36:01 +00:00
Bill Wendling
8ea7c52185 Adjusted the // comments so that doxygen picks them up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31801 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 01:13:12 +00:00
Bill Wendling
54fcc7f704 Replace std::cerr uses of the "DEBUG" macro with "DOUT" instead. Removes 
a #include of iostream.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31800 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 00:50:36 +00:00
Chris Lattner
8781466176 fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31799 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 00:49:36 +00:00
Bill Wendling
1ea783f13a Added "DOUT" macro. This is used as a replacement for the std::cerr 
stream. It centralizes the use of std::cerr so that static c'tor/d'tors
aren't scattered around all over the place. The way to use it is like this:

       DOUT << "This is a status line: " << Var << "\n";

If "-debug" is specified, it will print. Otherwise, it'll not print. If
NDEBUG is defined, the DOUT does nothing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31798 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-17 00:49:12 +00:00
Chris Lattner
e28a12a3b8 implicit_def_vrrc doesn't generate code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31797 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-16 23:49:52 +00:00
Evan Cheng
100e78c589 New test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31796 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-16 23:38:21 +00:00
Evan Cheng
ebf01d63b0 Correct instructions for moving data between GR64 and SSE registers; also correct load i64 / store i64 from v2i64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31795 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-16 23:33:25 +00:00
Evan Cheng
e23fc60854 Fix a potential bug: MOVPDI2DI, etc. are not copy instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31794 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-16 23:22:26 +00:00
Reid Spencer
ac90d5e50b In LLVM 2.0 we won't use the runtime libraries as llvm-gcc3 support will 
be dropped. This patch pertains to removing the runtime directory from LLVM.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31793 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-16 23:17:27 +00:00
Jim Laskey
2f616bff7e This is a general clean up of the PowerPC ABI. Address several problems and 
bugs including making sure that the TOS links back to the previous frame,
that the maximum call frame size is not included twice when using frame
pointers, no longer growing the frame on calls, double storing of SP and
a cleaner/faster dynamic alloca.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31792 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-16 22:43:37 +00:00
Chris Lattner
1b0a2d8370 fix a regression that I introduced. stdu should scale the offset by 4 
before printing it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31791 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-16 21:45:30 +00:00
Evan Cheng
73b00947e7 Align stubs on 4 byte boundary. This fixes 447.dealII. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31790 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-16 20:13:34 +00:00
Bill Wendling
00e533043d *** empty log message *** 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31789 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-16 20:11:33 +00:00