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1f13c686df
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3309 Commits

Author SHA1 Message Date
Dan Gohman
1f13c686df Fix the SVOffset values for loads and stores produced by 
memcpy/memset expansion. It was a bug for the SVOffset value
to be used in the actual address calculations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50359 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-28 17:15:20 +00:00
Anton Korobeynikov
2810d675f8 Fix FP return for Win64 ABI 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50342 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-28 07:40:07 +00:00
Anton Korobeynikov
998a5bcc80 Properly lower vararg's FORMAL_ARGUMENTS node on win64 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50325 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-27 23:15:03 +00:00
Anton Korobeynikov
7255193b4f Handle fp80 for win64 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50324 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-27 22:54:09 +00:00
Chris Lattner
5e764233f3 A few inline asm cleanups: 
- Make targetlowering.h fit in 80 cols.
  - Make LowerAsmOperandForConstraint const.
  - Make lowerXConstraint -> LowerXConstraint
  - Make LowerXConstraint return a const char* instead of taking a string byref.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50312 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-26 23:02:14 +00:00
Evan Cheng
44c0fd17e1 Extract the lower 64-bit if a MMX value is passed in a XMM register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50292 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-25 20:13:28 +00:00
Evan Cheng
082948df9b Fix illegal MMX_MOVDQ2Qrr pattern. vector_extract result must be a scalar value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50291 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-25 20:12:46 +00:00
Evan Cheng
10e864276b Special handling for MMX values being passed in either GPR64 or lower 64-bits of XMM registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50289 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-25 19:11:04 +00:00
Evan Cheng
80f5404e18 Fix MMX_MOVQ2DQrr pattern. It's illegal to do a bitconvert from a smaller type to a larger one. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50278 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-25 18:19:54 +00:00
Evan Cheng
419ace9bda Not checking for intrinsics which do not have a chain operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50260 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-25 08:55:28 +00:00
Evan Cheng
cdda25d22b - Switch from std::set to SmallPtrSet. 
- Add comments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50259 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-25 08:22:20 +00:00
Evan Cheng
ee472b1081 MMX argument passing fixes: 
On Darwin / Linux x86-32, v8i8, v4i16, v2i32 values are passed in MM[0-2].                                                                                                                                      
On Darwin / Linux x86-32, v1i64 values are passed in memory.                                                                                                                                                    
On Darwin x86-64, v8i8, v4i16, v2i32 values are passed in XMM[0-7].                                                                                                                                     
On Darwin x86-64, v1i64 values are passed in 64-bit GPRs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50257 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-25 07:56:45 +00:00
Chris Lattner
25453ea49e Loosen up an assertion to allow intrinsics. I really have no 
idea what this code (findNonImmUse) does, so I'm only guessing 
that this is the right thing.  It would be really really nice
if this had comments and perhaps switched to SmallPtrSet
(hint hint) :)

This fixes rdar://5886601, a crash on gcc.target/i386/sse4_1-pblendw.c


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50252 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-25 05:13:01 +00:00
Evan Cheng
2749c72f30 Fix bug in x86 memcpy / memset lowering. If there are trailing bytes not handled by rep instructions, a new memcpy / memset is introduced for them. However, since source / destination addresses are already adjusted, their offsets should be zero. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50239 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-25 00:26:43 +00:00
Anton Korobeynikov
941ff5818b Fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50169 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-23 18:24:25 +00:00
Anton Korobeynikov
dc28bd43d3 Only allow increase of max alignment value 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50168 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-23 18:23:50 +00:00
Anton Korobeynikov
d52bdaff0c Be over-conservative: scan for all used virtual registers and calculate maximal stack alignment in assumption, that there will be spill of vector register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50167 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-23 18:23:30 +00:00
Anton Korobeynikov
856914fe00 Add X86 Maximal Stack Alignment Calculator Pass before RA 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50166 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-23 18:23:05 +00:00
Anton Korobeynikov
2c430cbf03 Do proper book-keeping of offsets and prologue/epilogue code for stack realignment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50163 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-23 18:21:27 +00:00
Anton Korobeynikov
8e91ec5e29 If stack realignment is used - incoming args will use EBP as base register and locals - ESP 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50162 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-23 18:21:02 +00:00
Anton Korobeynikov
b51dce3013 Eastimate required stack alignment early, so we can decide, whether we will need frame pointer or not 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50161 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-23 18:20:17 +00:00
Anton Korobeynikov
d1c133a051 Cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50159 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-23 18:19:23 +00:00
Anton Korobeynikov
82751e3eda Simplify 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50158 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-23 18:18:36 +00:00
Anton Korobeynikov
45709ae09b Make stack alignment options global for all targets 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50157 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-23 18:18:10 +00:00
Anton Korobeynikov
cfcd20e7be Provide option for enabling-disabling stack realignment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50156 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-23 18:17:11 +00:00
Anton Korobeynikov
35410a493b Disable stack realignment for functions with dynamic-sized alloca's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50155 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-23 18:16:43 +00:00
Anton Korobeynikov
890fe888be Provide ABI-correct stack alignment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50154 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-23 18:16:16 +00:00
Anton Korobeynikov
9bbbea568c Provide convenient helpers for some operations 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50153 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-23 18:15:48 +00:00
Anton Korobeynikov
e201190eb7 Whitespace cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50152 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-23 18:15:11 +00:00
Dan Gohman
61a9213440 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50075 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-21 23:59:07 +00:00
Dan Gohman
0416b0a26d Fix the encoding of the MMX movd that moves from MMX to 64-bit GPR. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50053 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-21 19:52:29 +00:00
Chris Lattner
7d717a0b70 Add an ugly note. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50029 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-21 04:46:30 +00:00
Nicolas Geoffray
546e36a2c1 Don't forget to update the current operand when getting the size of an instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50007 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 23:36:47 +00:00
Chris Lattner
bd381a777b A better fix for my previous patch, MOVZQI2PQIrr just requires SSE2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49986 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 05:52:46 +00:00
Chris Lattner
02a260aa11 Switch to using Simplified ConstantFP::get API. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49977 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-20 00:41:09 +00:00
Evan Cheng
94d7b02c5a Also LXCHG64 -> XCHG64rm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49948 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-19 02:05:42 +00:00
Evan Cheng
bb6939dcff xchg which references a memory operand does not need to lock prefix. Atomicity is guaranteed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49946 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-19 01:20:30 +00:00
Dan Gohman
28269139ee 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49922 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-18 20:55:41 +00:00
Evan Cheng
7e03280b53 - Fix atomic operation JIT encoding. 
- Remove unused instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49921 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-18 20:55:36 +00:00
Evan Cheng
3f73beaeb2 Also support Intel asm syntax. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49878 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-17 23:35:10 +00:00
Evan Cheng
9d1a81a23c Fix assembly code for atomic operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49869 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-17 21:26:35 +00:00
Evan Cheng
03eb38848c Don't forget about sub-register indices when rematting instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49830 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 23:44:44 +00:00
Dale Johannesen
5e8fb81353 Unbreak build on x86-64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49822 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 22:24:33 +00:00
Nicolas Geoffray
51cc3c13ea Correlate stubs with functions in JIT: when emitting a stub, the JIT tells the memory manager which function 
the stub will resolve.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49814 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 20:46:05 +00:00
Nicolas Geoffray
52e724ad7e Infrastructure for getting the machine code size of a function and an instruction. X86, PowerPC and ARM are implemented 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49809 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 20:10:13 +00:00
Evan Cheng
dc00858e11 Initialize X863DNowLevel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49808 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 19:03:02 +00:00
Roman Levenstein
9cac5259fe 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49795 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 16:15:27 +00:00
Dan Gohman
171c11ec93 Add support for the form of the SSE41 extractps instruction that 
puts its result in a 32-bit GPR.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49762 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 02:32:24 +00:00
Dan Gohman
bcda285fcc 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49761 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 01:32:32 +00:00
Dan Gohman
302cd54299 Remove X86_64SRet; it isn't used anymore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49759 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-16 00:24:30 +00:00