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86 Commits

Author SHA1 Message Date
Evan Cheng
face16f9d8 x86-64 PIC JIT fixes: do not generate the extra load for external GV's. 
llvm-svn: 53661
 2008-07-16 01:34:02 +00:00
Anton Korobeynikov
d31e7ad0cf Revert accidentially added stuff 
llvm-svn: 53321
 2008-07-09 13:29:08 +00:00
Anton Korobeynikov
f16db15839 Switch to new section name handling facility 
llvm-svn: 53316
 2008-07-09 13:27:16 +00:00
Evan Cheng
3e6a03a4b6 Back out 53091 for now. 
llvm-svn: 53109
 2008-07-03 18:11:29 +00:00
Anton Korobeynikov
f3fc979d9c llvm-gcc sometimes marks external declarations hidden, because intializers are 
processed separately. Honour such situation and emit PIC relocations properly
in such case.

llvm-svn: 53091
 2008-07-03 07:43:14 +00:00
Rafael Espindola
feec40a71f Don't use the GOT for symbols that are not externally visible. 
llvm-svn: 51865
 2008-06-02 07:52:43 +00:00
Dale Johannesen
768b6f281e Add CommonLinkage; currently tentative definitions 
are represented as "weak", but there are subtle differences
in some cases on Darwin, so we need both.  The intent
is that "common" will behave identically to "weak" unless
somebody changes their target to do something else.
No functional change as yet.

llvm-svn: 51118
 2008-05-14 20:12:51 +00:00
Dan Gohman
bab18cae46 Clean up the use of static and anonymous namespaces. This turned up 
several things that were neither in an anonymous namespace nor static
but not intended to be global.

llvm-svn: 51017
 2008-05-13 00:00:25 +00:00
Mon P Wang
84a269e023 Added addition atomic instrinsics and, or, xor, min, and max. 
llvm-svn: 50663
 2008-05-05 19:05:59 +00:00
Dan Gohman
4a674dc536 Fix IsLinux being uninitialized on non-Linux targets. 
llvm-svn: 50660
 2008-05-05 18:43:07 +00:00
Dan Gohman
8ee7bf053e Use a dedicated IsLinux flag instead of an ELFLinux TargetType. 
llvm-svn: 50649
 2008-05-05 16:11:31 +00:00
Dan Gohman
c860d9c77c Add AsmPrinter support for emitting a directive to declare that 
the code being generated does not require an executable stack.

Also, add target-specific code to make use of this on Linux
on x86. 

llvm-svn: 50634
 2008-05-05 00:28:39 +00:00
Anton Korobeynikov
73935826d4 Make stack alignment options global for all targets 
llvm-svn: 50157
 2008-04-23 18:18:10 +00:00
Anton Korobeynikov
11851230a9 Provide ABI-correct stack alignment 
llvm-svn: 50154
 2008-04-23 18:16:16 +00:00
Evan Cheng
341bed7210 Initialize X863DNowLevel. 
llvm-svn: 49808
 2008-04-16 19:03:02 +00:00
Anton Korobeynikov
ea8dbf596a Provide option for stack alignment override 
llvm-svn: 49593
 2008-04-12 22:12:22 +00:00
Dan Gohman
168b2b1300 Speculatively micro-optimize memory-zeroing calls on Darwin 10. 
llvm-svn: 49048
 2008-04-01 20:38:36 +00:00
Anton Korobeynikov
95f522419c Honour built-in defines on win64 targets for automatically subtarget recognize. 
Force stack alignment to 16 bytes on win targets.

llvm-svn: 48695
 2008-03-22 21:18:22 +00:00
Anton Korobeynikov
befd472d5e Recognize "windows" in target triple, not only "win32" 
llvm-svn: 48694
 2008-03-22 21:12:53 +00:00
Anton Korobeynikov
4f6e612973 Remove bunch of gcc 4.3-related warnings from Target 
llvm-svn: 47369
 2008-02-20 11:22:39 +00:00
Dale Johannesen
de53aaec39 Remove warning about 64-bit code on processor 
that doesn't support it.  Per Chris.

llvm-svn: 47162
 2008-02-15 18:09:51 +00:00
Evan Cheng
a377b2bbd1 Fix a x86-64 codegen deficiency. Allow gv + offset when using rip addressing mode. 
Before:
_main:
        subq    $8, %rsp
        leaq    _X(%rip), %rax
        movsd   8(%rax), %xmm1
        movss   _X(%rip), %xmm0
        call    _t
        xorl    %ecx, %ecx
        movl    %ecx, %eax
        addq    $8, %rsp
        ret
Now:
_main:
        subq    $8, %rsp
        movsd   _X+8(%rip), %xmm1
        movss   _X(%rip), %xmm0
        call    _t
        xorl    %ecx, %ecx
        movl    %ecx, %eax
        addq    $8, %rsp
        ret

Notice there is another idiotic codegen issue that needs to be fixed asap:
xorl    %ecx, %ecx
movl    %ecx, %eax

llvm-svn: 46850
 2008-02-07 08:53:49 +00:00
Nate Begeman
ead8dfeef2 SSE 4.1 Intrinsics and detection 
llvm-svn: 46681
 2008-02-03 07:18:54 +00:00
Anton Korobeynikov
5ac8a5b72c Enable PIC codegen on x86-64/linux 
llvm-svn: 46198
 2008-01-20 13:58:16 +00:00
Duncan Sands
6f28b87039 Use size_t to store Pos, avoid truncating value 
on 64-bit builds.  Analysis and original patch
by Török Edwin.  Code audit found another place
with the same problem, also fixed here.

llvm-svn: 45746
 2008-01-08 10:06:15 +00:00
Chris Lattner
4a0d9c7836 darwin9 and above support aligned common symbols. 
llvm-svn: 45494
 2008-01-02 19:44:55 +00:00
Chris Lattner
ad9a6ccb83 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Rafael Espindola
fae98471a9 Make ARM an X86 memcpy expansion more similar to each other. 
Now both subtarget define getMaxInlineSizeThreshold and the expansion uses it.

This should not change generated code.

llvm-svn: 43552
 2007-10-31 11:52:06 +00:00
Evan Cheng
0fa6cdbff5 Mac OS X X86-64 low 4G address not available. 
llvm-svn: 40701
 2007-08-01 23:45:51 +00:00
Gabor Greif
5f705671e4 Here is the bulk of the sanitizing. 
Almost all occurrences of "bytecode" in the sources have been eliminated.

llvm-svn: 37913
 2007-07-05 17:07:56 +00:00
Jeff Cohen
279c95b9a7 In the event that some really old non-Intel or -AMD CPU is encountered... 
llvm-svn: 36177
 2007-04-16 21:59:44 +00:00
Jeff Cohen
e6b60c9525 Before assuming that the original code didn't work for Athlon64, the person who 
replaced it with a FIXME should have determined what did work.  Then he would have
realized that the code was in fact correct, and would have avoided breaking it.

llvm-svn: 36173
 2007-04-16 21:48:58 +00:00
Bill Wendling
3b1189afbf Add support for our first SSSE3 instruction "pmulhrsw". 
llvm-svn: 35869
 2007-04-10 22:10:25 +00:00
Anton Korobeynikov
63bff8af0c Autodetect MMX & SSE stuff for AMD processors 
llvm-svn: 35292
 2007-03-23 23:46:48 +00:00
Reid Spencer
19af04a142 For PR1136: Rename GlobalVariable::isExternal as isDeclaration to avoid 
confusion with external linkage types.

llvm-svn: 33663
 2007-01-30 20:08:39 +00:00
Anton Korobeynikov
611d5e2eda Propagate changes from my local tree. This patch includes: 
1. New parameter attribute called 'inreg'. It has meaning "place this
parameter in registers, if possible". This is some generalization of
gcc's regparm(n) attribute. It's currently used only in X86-32 backend.
2. Completely rewritten CC handling/lowering code inside X86 backend.
Merged stdcall + c CCs and fastcall + fast CC.
3. Dropped CSRET CC. We cannot add struct return variant for each
target-specific CC (e.g. stdcall + csretcc and so on).
4. Instead of CSRET CC introduced 'sret' parameter attribute. Setting in
on first attribute has meaning 'This is hidden pointer to structure
return. Handle it gently'.
5. Fixed small bug in llvm-extract + add new feature to
FunctionExtraction pass, which relinks all internal-linkaged callees
from deleted function to external linkage. This will allow further
linking everything together.

NOTEs: 1. Documentation will be updated soon.
       2. llvm-upgrade should be improved to translate csret => sret.
          Before this, there will be some unexpected test fails.
llvm-svn: 33597
 2007-01-28 13:31:35 +00:00
Evan Cheng
818c6bdfa2 Linux GOT indirect reference is only necessary in PIC mode. 
llvm-svn: 33441
 2007-01-22 21:34:25 +00:00
Anton Korobeynikov
2509765bef * Fix one more bug in PIC codegen: extra load is needed for *all* 
non-statics.
* Introduce new option to output zero-initialized data to .bss section.
This can reduce size of binaries. Enable it by default for ELF &
Cygwin/Mingw targets. Probably, Darwin should be also added.

llvm-svn: 33299
 2007-01-17 10:33:08 +00:00
Anton Korobeynikov
548b9af9c2 * PIC codegen for X86/Linux has been implemented 
* PIC-aware internal structures in X86 Codegen have been refactored
* Visibility (default/weak) has been added
* Docs fixes (external weak linkage, visibility, formatting)

llvm-svn: 33136
 2007-01-12 19:20:47 +00:00
Anton Korobeynikov
2b39939053 Really big cleanup. 
- New target type "mingw" was introduced
- Same things for both mingw & cygwin are marked as "cygming" (as in
gcc)
- .lcomm is supported here, so allow LLVM to use it
- Correctly use underscored versions of setjmp & _longjmp for both mingw
& cygwin

llvm-svn: 32833
 2007-01-03 11:43:14 +00:00
Anton Korobeynikov
3a6faf0b96 Refactored JIT codegen for mingw32. Now we're using standart relocation 
type for distinguish JIT & non-JIT instead of "dirty" hacks :)

llvm-svn: 32745
 2006-12-22 22:29:05 +00:00
Anton Korobeynikov
df6487d069 Fixed 80 cols & style violation 
llvm-svn: 32720
 2006-12-20 20:40:30 +00:00
Anton Korobeynikov
76dbbd6e24 Fixed dllimported symbols support during JIT'ing. JIT on mingw32 
platform should be more or less workable. At least, sim is running fine
under lli :)

llvm-svn: 32711
 2006-12-20 01:03:20 +00:00
Bill Wendling
f13d78d3b8 What should be the last unnecessary <iostream>s in the library. 
llvm-svn: 32333
 2006-12-07 22:21:48 +00:00
Anton Korobeynikov
25535e6c64 Factor out GVRequiresExtraLoad() from .h to .cpp 
llvm-svn: 32048
 2006-11-30 22:42:55 +00:00
Evan Cheng
52f30d0ff2 16-byte stack alignment for X86-64 ELF. Patch by Dan Gohman. 
llvm-svn: 32004
 2006-11-29 02:00:40 +00:00
Chris Lattner
86e39c84b6 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.

llvm-svn: 31879
 2006-11-20 18:16:05 +00:00
Evan Cheng
2edeb17aed Use movl+xchgl instead of pushl+popl. 
llvm-svn: 31572
 2006-11-08 20:35:37 +00:00
Evan Cheng
bf3e5a1d7a Proper fix. 
llvm-svn: 30993
 2006-10-17 00:24:49 +00:00
Evan Cheng
b4d8323e54 Proper fix for rdar://problem/4770604 Thanks to Stuart Hastings! 
llvm-svn: 30985
 2006-10-16 21:00:37 +00:00