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2027 Commits

Author SHA1 Message Date
Evan Cheng
82dcacb63d Not needed. 
llvm-svn: 30674
 2006-09-29 22:05:10 +00:00
Chris Lattner
04ad43b4de update comments 
llvm-svn: 30663
 2006-09-28 23:33:12 +00:00
Chris Lattner
0501525c0e silence warnings in release build 
llvm-svn: 30631
 2006-09-27 18:29:38 +00:00
Chris Lattner
b826d65e01 Various random and minor code cleanups. 
llvm-svn: 30608
 2006-09-26 03:57:53 +00:00
Chris Lattner
09176ab54f Compile: 
int x __attribute__((used));

to:

        .data
.comm _x,4              ; 'x'
        .no_dead_strip  _x

on both x86 and ppc darwin targets.

llvm-svn: 30605
 2006-09-26 03:39:53 +00:00
Evan Cheng
02e193e2ff Delete dead code; fix 80 col violations. 
llvm-svn: 30583
 2006-09-22 21:43:59 +00:00
Chris Lattner
ba7013ca78 implemented 
llvm-svn: 30559
 2006-09-21 06:14:54 +00:00
Chris Lattner
437703d4c9 Fit in 80-cols 
llvm-svn: 30556
 2006-09-21 05:46:00 +00:00
Nick Lewycky
401794f2a7 Fix compile error. 
llvm-svn: 30553
 2006-09-21 02:08:31 +00:00
Anton Korobeynikov
59ef7e94eb Adding codegeneration for StdCall & FastCall calling conventions 
llvm-svn: 30549
 2006-09-20 22:03:51 +00:00
Chris Lattner
f9c4e07bf7 add a note 
llvm-svn: 30515
 2006-09-20 06:32:10 +00:00
Chris Lattner
68009a61c5 add a note. Our 64-bit shifts are ~30% slower than gcc's 
llvm-svn: 30457
 2006-09-18 05:36:54 +00:00
Anton Korobeynikov
7c2118575c Added some eye-candy for Subtarget type checking 
Added X86 StdCall & FastCall calling conventions. Codegen will follow.

llvm-svn: 30446
 2006-09-17 20:25:45 +00:00
Anton Korobeynikov
b2b7c2f8b9 Small fixes for supporting dll* linkage types 
llvm-svn: 30441
 2006-09-17 13:06:18 +00:00
Chris Lattner
22b3d6fba9 add a note 
llvm-svn: 30406
 2006-09-16 03:30:19 +00:00
Evan Cheng
e9bbf85e5e Remove a unnecessary check. 
llvm-svn: 30382
 2006-09-14 23:55:02 +00:00
Anton Korobeynikov
6e19f80688 Adding dllimport, dllexport and external weak linkage types. 
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
 2006-09-14 18:23:27 +00:00
Chris Lattner
0e9985d635 add note about switch lowering 
llvm-svn: 30308
 2006-09-13 23:37:16 +00:00
Evan Cheng
e98acdbf59 Skip over first operand when determining REX prefix for two-address code. 
llvm-svn: 30300
 2006-09-13 19:07:28 +00:00
Chris Lattner
5a00b32eec Turn X < 0 -> TEST X,X js 
llvm-svn: 30294
 2006-09-13 17:04:54 +00:00
Chris Lattner
d2b6dcd4bf The sense of this branch was inverted :( 
llvm-svn: 30293
 2006-09-13 16:56:12 +00:00
Chris Lattner
89d7fe3917 Fix a regression in the 32-bit port from the 64-bit port landing. 
We now compile CodeGen/X86/lea-2.ll into:

_test:
        movl 4(%esp), %eax
        movl 8(%esp), %ecx
        leal -5(%ecx,%eax,4), %eax
        ret

instead of:

_test:
        movl 4(%esp), %eax
        leal (,%eax,4), %eax
        addl 8(%esp), %eax
        addl $4294967291, %eax
        ret

llvm-svn: 30288
 2006-09-13 04:45:25 +00:00
Chris Lattner
fb0e19072c new note 
llvm-svn: 30286
 2006-09-13 04:19:50 +00:00
Chris Lattner
56e461c7d2 new note 
llvm-svn: 30285
 2006-09-13 03:54:54 +00:00
Chris Lattner
806ef17e5b Compile X > -1 -> text X,X; js dest 
This implements CodeGen/X86/jump_sign.ll.

llvm-svn: 30283
 2006-09-13 03:22:10 +00:00
Evan Cheng
dd52a60189 Reflects MachineConstantPoolEntry changes. 
llvm-svn: 30279
 2006-09-12 21:04:05 +00:00
Chris Lattner
67fe605123 add a note 
llvm-svn: 30271
 2006-09-12 06:36:01 +00:00
Chris Lattner
525974551b Testcase noticed from PR906 
llvm-svn: 30269
 2006-09-11 23:00:56 +00:00
Chris Lattner
e7cd7508ed add compilable testcase 
llvm-svn: 30268
 2006-09-11 22:57:51 +00:00
Evan Cheng
78f5fae07f Updates. 
llvm-svn: 30245
 2006-09-11 05:35:17 +00:00
Evan Cheng
64720acdb9 Update README file. 
llvm-svn: 30244
 2006-09-11 05:25:15 +00:00
Evan Cheng
cfd7b147cf X86ISD::CMP now produces a chain as well as a flag. Make that the chain 
operand of a conditional branch to allow load folding into CMP / TEST
instructions.

llvm-svn: 30241
 2006-09-11 02:19:56 +00:00
Evan Cheng
59e25ca829 Fixed a FuseTwoAddrInst() bug: consider GlobalAddress and JumpTableIndex 
in addition to immediate operands.

llvm-svn: 30205
 2006-09-08 21:08:13 +00:00
Chris Lattner
6366d97d9e Use __USER_LABEL_PREFIX__ to get the prefix added by the current host. 
llvm-svn: 30190
 2006-09-08 17:03:56 +00:00
Evan Cheng
100e48fe40 Remove TEST64mr. It's same as TEST64rm since and is commutative. 
llvm-svn: 30178
 2006-09-08 06:56:55 +00:00
Evan Cheng
15dd42884e Committing X86-64 support. 
llvm-svn: 30177
 2006-09-08 06:48:29 +00:00
Evan Cheng
da0f93c5af - Identify a vector_shuffle that can be turned into an undef, e.g. 
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
 2006-09-08 01:50:06 +00:00
Jim Laskey
160a8aa339 1. Remove condition on delete. 
2. Protect and outline createTargetAsmInfo.

3. Misc. kruft.

llvm-svn: 30169
 2006-09-07 23:39:26 +00:00
Chris Lattner
f4c05c3170 add a new value for the command line optn 
llvm-svn: 30165
 2006-09-07 22:32:28 +00:00
Chris Lattner
6d59598acc Fix a cross-build issue. The asmsyntax shouldn't be affected by the build 
host, it should be affected by the target.  Allow the command line option to
override in either case.

llvm-svn: 30164
 2006-09-07 22:29:41 +00:00
Jim Laskey
9da25f6119 Make target asm info a property of the target machine. 
llvm-svn: 30162
 2006-09-07 22:06:40 +00:00
Jim Laskey
a64fe8ccf2 Break out target asm info into separate files. 
llvm-svn: 30161
 2006-09-07 22:05:02 +00:00
Chris Lattner
9c7673ffca Eliminate X86ISD::TEST, using X86ISD::CMP instead. Match X86ISD::CMP patterns 
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
 2006-09-07 20:33:45 +00:00
Chris Lattner
a96d4ad830 Some notes on better load folding we could do 
llvm-svn: 30155
 2006-09-07 20:32:01 +00:00
Evan Cheng
798aa508a3 Consistency. 
llvm-svn: 30152
 2006-09-07 19:03:48 +00:00
Jim Laskey
d2830c11b8 Make the x86 asm flavor part of the subtarget info. 
llvm-svn: 30146
 2006-09-07 12:23:47 +00:00
Evan Cheng
451baeaf79 Clean up. 
llvm-svn: 30140
 2006-09-07 01:17:57 +00:00
Evan Cheng
5bb0ec5c15 Watch out for variable_ops instructions. 
llvm-svn: 30135
 2006-09-06 20:32:45 +00:00
Evan Cheng
d299a28d86 Variable ops instructions may ignore the last few operands for code emission. 
llvm-svn: 30134
 2006-09-06 20:24:14 +00:00
Jim Laskey
6b86ef852c Separate target specific asm properties from the asm printers. 
llvm-svn: 30126
 2006-09-06 18:34:40 +00:00