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2183 Commits

Author SHA1 Message Date
Anton Korobeynikov
78ee7b78c3 Introducing external weak linkage. Darwin codegen should be added later. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32052 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-01 00:25:12 +00:00
Anton Korobeynikov
7784ebc239 Factor out GVRequiresExtraLoad() from .h to .cpp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32048 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-30 22:42:55 +00:00
Evan Cheng
0085a28d13 - Use a different wrapper node for RIP-relative GV, etc. 
- Proper support for both small static and PIC modes under X86-64
- Some (non-optimal) support for medium modes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32046 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-30 21:55:46 +00:00
Evan Cheng
12a447898a MachineInstr::setOpcode -> MachineInstr::setInstrDescriptor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32034 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-30 07:12:03 +00:00
Evan Cheng
c8306bde15 In PIC mode, GV not requiring an extra load can be used as address immediate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32028 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 23:48:14 +00:00
Evan Cheng
4946399b64 Clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32027 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 23:46:27 +00:00
Evan Cheng
d0ff02cf6f Fix for PR1018 - Better support for X86-64 Linux in small code model. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32026 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 23:19:46 +00:00
Evan Cheng
3fa9dff2c9 Custom lower READCYCLECOUNTER for x86-64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32017 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 08:28:13 +00:00
Evan Cheng
b4809b2b8f 16-byte stack alignment for X86-64 ELF. Patch by Dan Gohman. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32004 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 02:00:40 +00:00
Chris Lattner
5d52135a14 Upgrade the ugly darwin 64-bit bswap idiom (bswap %eax / bswap %edx / 
xchgl %eax, %edx) to llvm.bswap.i64.  This compiles:

long long test2(long long A) {
  return _OSSwapInt64(A);
}

to:

_test2:
        movl 8(%esp), %eax
        movl 4(%esp), %edx
        bswapl %eax
        bswapl %edx
        ret

instead of:

_test2:
        movl 8(%esp), %edx
        movl 4(%esp), %eax
        bswap   %eax
        bswap   %edx
        xchgl   %eax, %edx
        ret

GCC manages (with -fomit-frame-pointer) the uglier:

_test2:
        subl    $4, %esp
        movl    8(%esp), %eax
        movl    12(%esp), %edx
        bswap   %eax
        bswap   %edx
        xchgl   %eax, %edx
        addl    $4, %esp
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32001 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 01:48:01 +00:00
Chris Lattner
625bd052a3 Trivially lower 'bswap $0' into llvm.bswap. This fixes hexxagon with the 
JIT on darwin/x86, which has htonl implemented as inline asm.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31999 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 01:14:06 +00:00
Andrew Lenharth
30579799ed Identities are default now 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31980 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-28 22:28:08 +00:00
Evan Cheng
ead1b801e2 New entries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31976 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-28 19:59:25 +00:00
Andrew Lenharth
6c0695fc5c X86 asm -> gcc asm translation table (incomplete) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31973 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-28 19:52:49 +00:00
Evan Cheng
7bb64e8369 Fix JIT encoding bugs for shift / rotate by one ops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31952 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-28 01:28:00 +00:00
Evan Cheng
c0f64ffab9 Change MachineInstr ctor's to take a TargetInstrDescriptor reference instead 
of opcode and number of operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31947 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-27 23:37:22 +00:00
Anton Korobeynikov
12c49af81e Refactored *GVRequiresExtraLoad() to Subtarget method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31887 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-21 00:01:06 +00:00
Chris Lattner
3b6f497873 Fix codegen for x86-64 on systems (like ppc or i386) that don't have 64-bit 
features autodetected.  This fixes PR1010 and Regression/CodeGen/X86/xmm-r64.ll
on non-x86-64 hosts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31879 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-20 18:16:05 +00:00
Anton Korobeynikov
a59868519b We should perform extra load for dllimported calls 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31874 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-20 10:46:14 +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
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
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
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
Evan Cheng
6ce7dc2a97 Properly transfer kill / dead info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31765 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-15 20:58:11 +00:00
Evan Cheng
ddd2a4556a Kill / dead info has been moved to MI's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31764 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-15 20:56:39 +00:00
Chris Lattner
d6842e4e18 Remove unneeded forward decls 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31754 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-15 17:53:13 +00:00
Evan Cheng
3cdd9f65ed Revert. This wasn't meant to be checked in. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31737 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-14 19:20:33 +00:00
Chris Lattner
20ddd4a7ae it would be nice of ctlz were lowered to bsf etc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31730 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-14 08:08:46 +00:00
Evan Cheng
7ce4578353 Matches MachineInstr changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31712 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-13 23:36:35 +00:00
Evan Cheng
5cd3e9f4b7 Add implicit use / def operands to created MI's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31676 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-11 10:21:44 +00:00
Evan Cheng
490ce1ea6f Add all implicit defs to FP_REG_KILL mi. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31674 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-11 07:19:36 +00:00
Evan Cheng
484c7a1295 Add a note. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31650 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-10 22:09:17 +00:00
Evan Cheng
a8d39be75b These are done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31649 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-10 22:03:35 +00:00
Evan Cheng
8ca29326e1 Don't dag combine floating point select to max and min intrinsics. Those 
take v4f32 / v2f64 operands and may end up causing larger spills / restores.
Added X86 specific nodes X86ISD::FMAX, X86ISD::FMIN instead.

This fixes PR996.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31645 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-10 21:43:37 +00:00
Evan Cheng
d6373bcd82 Fix a bug in SelectScalarSSELoad. Since the load is wrapped in a 
SCALAR_TO_VECTOR, even if the hasOneUse() check pass we may end up folding
the load into two instructions. Make sure we check the SCALAR_TO_VECTOR
has only one use as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31641 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-10 21:23:04 +00:00
Evan Cheng
50b3b50cd0 Fix a potential bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31634 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-10 09:13:37 +00:00
Evan Cheng
438f7bc67c Add implicit def / use operands to MachineInstr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31633 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-10 08:43:01 +00:00
Evan Cheng
171d09ea53 Use TargetInstrInfo::getNumOperands() instead of MachineInstr::getNumOperands(). In preparation for implicit reg def/use changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31616 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-10 01:28:43 +00:00
Anton Korobeynikov
df78611726 Fixing PR990: http://llvm.org/PR990. 
This should unbreak csretcc on Linux & mingw targets. Several tests from
llvm-test should be also restored (fftbench, bigfib).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31613 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-10 00:48:11 +00:00
Evan Cheng
a1fd6504aa Remove M_2_ADDR_FLAG. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31583 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-09 02:22:54 +00:00
Evan Cheng
aacf99964f Use movl+xchgl instead of pushl+popl. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31572 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-08 20:35:37 +00:00
Evan Cheng
0d53826f36 Match tblegen changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31571 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-08 20:34:28 +00:00
Evan Cheng
6e56e2c602 Fixed a bug which causes x86 be to incorrectly match 
shuffle v, undef, <2, ?, 3, ?>
to movhlps
It should match to unpckhps instead.

Added proper matching code for
shuffle v, undef, <2, 3, 2, 3>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31519 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 22:14:24 +00:00
Jeff Cohen
d41b30def3 Unbreak VC++ build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31464 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-05 19:31:28 +00:00
Chris Lattner
3751844b39 remove dead/redundant vars 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31435 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-03 23:48:56 +00:00
Evan Cheng
bdd371c0ed Dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31405 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-03 02:08:41 +00:00
Chris Lattner
15092547e4 silence warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31393 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-03 01:13:15 +00:00
Reid Spencer
3ed469ccd7 For PR786: 
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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31380 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-02 20:25:50 +00:00