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8301 Commits

Author SHA1 Message Date
Dan Gohman
c107d0020d Make these variables static. 
llvm-svn: 50196
 2008-04-23 23:15:23 +00:00
Anton Korobeynikov
1ae135c87b Drop dead includes 
llvm-svn: 50192
 2008-04-23 22:44:03 +00:00
Anton Korobeynikov
9dcc3e97a4 Adjust option names for C++ backend 
llvm-svn: 50190
 2008-04-23 22:37:03 +00:00
Anton Korobeynikov
78695035c4 First step of implementing PR1538: move llvm2cpp logic to new 'target' 
llvm-svn: 50189
 2008-04-23 22:29:24 +00:00
Dan Gohman
d871fa5cb6 Initial CBE support for multiple return values. 
llvm-svn: 50187
 2008-04-23 21:49:29 +00:00
Anton Korobeynikov
0d6df367f1 Fix typo 
llvm-svn: 50169
 2008-04-23 18:24:25 +00:00
Anton Korobeynikov
965babda19 Only allow increase of max alignment value 
llvm-svn: 50168
 2008-04-23 18:23:50 +00:00
Anton Korobeynikov
c1534dca56 Be over-conservative: scan for all used virtual registers and calculate maximal stack alignment in assumption, that there will be spill of vector register. 
llvm-svn: 50167
 2008-04-23 18:23:30 +00:00
Anton Korobeynikov
2659011b70 Add X86 Maximal Stack Alignment Calculator Pass before RA 
llvm-svn: 50166
 2008-04-23 18:23:05 +00:00
Anton Korobeynikov
156550ae79 Do proper book-keeping of offsets and prologue/epilogue code for stack realignment 
llvm-svn: 50163
 2008-04-23 18:21:27 +00:00
Anton Korobeynikov
89a0a017fb If stack realignment is used - incoming args will use EBP as base register and locals - ESP 
llvm-svn: 50162
 2008-04-23 18:21:02 +00:00
Anton Korobeynikov
ba5129073c Eastimate required stack alignment early, so we can decide, whether we will need frame pointer or not 
llvm-svn: 50161
 2008-04-23 18:20:17 +00:00
Anton Korobeynikov
c756b460d9 Cleanup 
llvm-svn: 50159
 2008-04-23 18:19:23 +00:00
Anton Korobeynikov
a8aac3db3f Simplify 
llvm-svn: 50158
 2008-04-23 18:18:36 +00:00
Anton Korobeynikov
cb195f511d Make stack alignment options global for all targets 
llvm-svn: 50157
 2008-04-23 18:18:10 +00:00
Anton Korobeynikov
9328fbc4c7 Provide option for enabling-disabling stack realignment 
llvm-svn: 50156
 2008-04-23 18:17:11 +00:00
Anton Korobeynikov
ca150edda6 Disable stack realignment for functions with dynamic-sized alloca's 
llvm-svn: 50155
 2008-04-23 18:16:43 +00:00
Anton Korobeynikov
a7495260ee Provide ABI-correct stack alignment 
llvm-svn: 50154
 2008-04-23 18:16:16 +00:00
Anton Korobeynikov
8843487e16 Provide convenient helpers for some operations 
llvm-svn: 50153
 2008-04-23 18:15:48 +00:00
Anton Korobeynikov
2ccafa47ac Whitespace cleanup 
llvm-svn: 50152
 2008-04-23 18:15:11 +00:00
Dan Gohman
f166d2d0d6 Implement an x86-64 ABI detail of passing structs by hidden first 
argument. The x86-64 ABI requires the incoming value of %rdi to
be copied to %rax on exit from a function that is returning a
large C struct.

Also, add a README-X86-64 entry detailing the missed optimization
opportunity and proposing an alternative approach.

llvm-svn: 50075
 2008-04-21 23:59:07 +00:00
Dan Gohman
db08f5218e Fix the encoding of the MMX movd that moves from MMX to 64-bit GPR. 
llvm-svn: 50053
 2008-04-21 19:52:29 +00:00
Chris Lattner
a89143f1e0 Add an ugly note. 
llvm-svn: 50029
 2008-04-21 04:46:30 +00:00
Nicolas Geoffray
984e7199cc Don't forget to update the current operand when getting the size of an instruction. 
llvm-svn: 50007
 2008-04-20 23:36:47 +00:00
Chris Lattner
470ab00c76 A better fix for my previous patch, MOVZQI2PQIrr just requires SSE2. 
llvm-svn: 49986
 2008-04-20 05:52:46 +00:00
Chris Lattner
3b18762f40 Switch to using Simplified ConstantFP::get API. 
llvm-svn: 49977
 2008-04-20 00:41:09 +00:00
Evan Cheng
5102bd9359 64-bit atomic operations. 
llvm-svn: 49949
 2008-04-19 02:30:38 +00:00
Evan Cheng
5e7ee0a002 Also LXCHG64 -> XCHG64rm. 
llvm-svn: 49948
 2008-04-19 02:05:42 +00:00
Evan Cheng
51096affb5 PPC32 atomic operations. 
llvm-svn: 49947
 2008-04-19 01:30:48 +00:00
Evan Cheng
7f4240a47c xchg which references a memory operand does not need to lock prefix. Atomicity is guaranteed. 
llvm-svn: 49946
 2008-04-19 01:20:30 +00:00
Dan Gohman
ad4071a9e1 Fix the handling of va_copy on x86-64. As of llvm-gcc r49920 
llvm-gcc is now lowering va_copy on x86-64, so this completes
the fix for PR2230.

llvm-svn: 49922
 2008-04-18 20:55:41 +00:00
Evan Cheng
00bd8d904a - Fix atomic operation JIT encoding. 
- Remove unused instructions.

llvm-svn: 49921
 2008-04-18 20:55:36 +00:00
Evan Cheng
5879213597 Also support Intel asm syntax. 
llvm-svn: 49878
 2008-04-17 23:35:10 +00:00
Evan Cheng
4704baa555 Fix assembly code for atomic operations. 
llvm-svn: 49869
 2008-04-17 21:26:35 +00:00
Evan Cheng
147cb764b5 Don't forget about sub-register indices when rematting instructions. 
llvm-svn: 49830
 2008-04-16 23:44:44 +00:00
Dale Johannesen
c1279f5e4b Unbreak build on x86-64. 
llvm-svn: 49822
 2008-04-16 22:24:33 +00:00
Nicolas Geoffray
a7557dfe71 Correlate stubs with functions in JIT: when emitting a stub, the JIT tells the memory manager which function 
the stub will resolve.

llvm-svn: 49814
 2008-04-16 20:46:05 +00:00
Nicolas Geoffray
ae84bbdbed Infrastructure for getting the machine code size of a function and an instruction. X86, PowerPC and ARM are implemented 
llvm-svn: 49809
 2008-04-16 20:10:13 +00:00
Evan Cheng
a15cee1036 Initialize X863DNowLevel. 
llvm-svn: 49808
 2008-04-16 19:03:02 +00:00
Roman Levenstein
a3ee1a38a3 Ongoing work on improving the instruction selection infrastructure: 
Rename SDOperandImpl back to SDOperand.
Introduce the SDUse class that represents a use of the SDNode referred by
an SDOperand. Now it is more similar to Use/Value classes.

Patch is approved by Dan Gohman.

llvm-svn: 49795
 2008-04-16 16:15:27 +00:00
Dan Gohman
d43d3beeb0 Add support for the form of the SSE41 extractps instruction that 
puts its result in a 32-bit GPR.

llvm-svn: 49762
 2008-04-16 02:32:24 +00:00
Dan Gohman
8c99ccaf96 Recreate the size SDNode instead of reusing the old one in the x86 
memcpy lowering code; this ensures that the size node has the desired
result type. This fixes a regression from r49572 with @llvm.memcpy.i64
on x86-32.

llvm-svn: 49761
 2008-04-16 01:32:32 +00:00
Dan Gohman
3dd8ba6235 Remove X86_64SRet; it isn't used anymore. 
llvm-svn: 49759
 2008-04-16 00:24:30 +00:00
Dan Gohman
01a5d36d9d Add movd instructions to move from MMX registers 
to 64-bit GPR registers on x86-64.

llvm-svn: 49757
 2008-04-15 23:55:07 +00:00
Nicolas Geoffray
7000c8f1aa Change Divided flag to Split, as suggested by Evan 
llvm-svn: 49715
 2008-04-15 08:08:50 +00:00
Dan Gohman
4fff979a43 Remove unnecessary <sstream> includes. 
llvm-svn: 49681
 2008-04-14 20:40:47 +00:00
Dan Gohman
2505d86783 Fix const-correctness issues with the SrcValue handling in the 
memory intrinsic expansion code.

llvm-svn: 49666
 2008-04-14 17:55:48 +00:00
Dale Johannesen
876224b1e8 Reverse sense of unwind-tables option. This means 
stack tracebacks on Darwin x86-64 won't work by default;
nevertheless, everybody but me thinks this is a good idea.

llvm-svn: 49663
 2008-04-14 17:54:17 +00:00
Nicolas Geoffray
dcc2eda5fc Add a divided flag for the first piece of an argument divided into mulitple parts. Fixes PR1643 
llvm-svn: 49611
 2008-04-13 13:40:22 +00:00
Anton Korobeynikov
b9f38f38fa Provide option for stack alignment override 
llvm-svn: 49593
 2008-04-12 22:12:22 +00:00