Evan Cheng
0fe99f024d
Fix MMX_MOVQ2DQrr pattern. It's illegal to do a bitconvert from a smaller type to a larger one.
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llvm-svn: 50278
2008-04-25 18:19:54 +00:00
Chris Lattner
81742d7a8f
add a note
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llvm-svn: 50267
2008-04-25 17:25:00 +00:00
Evan Cheng
bbbe14502f
80 col violation.
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llvm-svn: 50266
2008-04-25 17:21:40 +00:00
Evan Cheng
37ca5de3b7
Not checking for intrinsics which do not have a chain operand.
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llvm-svn: 50260
2008-04-25 08:55:28 +00:00
Evan Cheng
e177dc6696
- Switch from std::set to SmallPtrSet.
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- Add comments.
llvm-svn: 50259
2008-04-25 08:22:20 +00:00
Evan Cheng
39ae78cadb
MMX argument passing fixes:
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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.
llvm-svn: 50257
2008-04-25 07:56:45 +00:00
Chris Lattner
8c9f6c929a
Loosen up an assertion to allow intrinsics. I really have no
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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
llvm-svn: 50252
2008-04-25 05:13:01 +00:00
Evan Cheng
484060ba4a
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.
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llvm-svn: 50239
2008-04-25 00:26:43 +00:00
Dan Gohman
6054efc488
Make these variables static.
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llvm-svn: 50196
2008-04-23 23:15:23 +00:00
Anton Korobeynikov
ac6f6045bb
Drop dead includes
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llvm-svn: 50192
2008-04-23 22:44:03 +00:00
Anton Korobeynikov
361e5f9eee
Adjust option names for C++ backend
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llvm-svn: 50190
2008-04-23 22:37:03 +00:00
Anton Korobeynikov
193b7db7c7
First step of implementing PR1538: move llvm2cpp logic to new 'target'
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llvm-svn: 50189
2008-04-23 22:29:24 +00:00
Dan Gohman
5df2f2c2e7
Initial CBE support for multiple return values.
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llvm-svn: 50187
2008-04-23 21:49:29 +00:00
Anton Korobeynikov
4b572e0f73
Fix typo
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llvm-svn: 50169
2008-04-23 18:24:25 +00:00
Anton Korobeynikov
372e69e652
Only allow increase of max alignment value
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llvm-svn: 50168
2008-04-23 18:23:50 +00:00
Anton Korobeynikov
47a8e6d7a9
Be over-conservative: scan for all used virtual registers and calculate maximal stack alignment in assumption, that there will be spill of vector register.
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llvm-svn: 50167
2008-04-23 18:23:30 +00:00
Anton Korobeynikov
e7754f758b
Add X86 Maximal Stack Alignment Calculator Pass before RA
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llvm-svn: 50166
2008-04-23 18:23:05 +00:00
Anton Korobeynikov
158f614c67
Do proper book-keeping of offsets and prologue/epilogue code for stack realignment
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llvm-svn: 50163
2008-04-23 18:21:27 +00:00
Anton Korobeynikov
1f07315f47
If stack realignment is used - incoming args will use EBP as base register and locals - ESP
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llvm-svn: 50162
2008-04-23 18:21:02 +00:00
Anton Korobeynikov
5079553b9d
Eastimate required stack alignment early, so we can decide, whether we will need frame pointer or not
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llvm-svn: 50161
2008-04-23 18:20:17 +00:00
Anton Korobeynikov
492641d67f
Cleanup
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llvm-svn: 50159
2008-04-23 18:19:23 +00:00
Anton Korobeynikov
87325bfdf5
Simplify
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llvm-svn: 50158
2008-04-23 18:18:36 +00:00
Anton Korobeynikov
73935826d4
Make stack alignment options global for all targets
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llvm-svn: 50157
2008-04-23 18:18:10 +00:00
Anton Korobeynikov
6a59c959ca
Provide option for enabling-disabling stack realignment
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llvm-svn: 50156
2008-04-23 18:17:11 +00:00
Anton Korobeynikov
fc59ae78e0
Disable stack realignment for functions with dynamic-sized alloca's
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llvm-svn: 50155
2008-04-23 18:16:43 +00:00
Anton Korobeynikov
11851230a9
Provide ABI-correct stack alignment
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llvm-svn: 50154
2008-04-23 18:16:16 +00:00
Anton Korobeynikov
7e6850d1a1
Provide convenient helpers for some operations
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llvm-svn: 50153
2008-04-23 18:15:48 +00:00
Anton Korobeynikov
71adb49389
Whitespace cleanup
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llvm-svn: 50152
2008-04-23 18:15:11 +00:00
Dan Gohman
93b5be1824
Implement an x86-64 ABI detail of passing structs by hidden first
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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
105b523786
Fix the encoding of the MMX movd that moves from MMX to 64-bit GPR.
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llvm-svn: 50053
2008-04-21 19:52:29 +00:00
Chris Lattner
3117d33f74
Add an ugly note.
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llvm-svn: 50029
2008-04-21 04:46:30 +00:00
Nicolas Geoffray
036fb2bebf
Don't forget to update the current operand when getting the size of an instruction.
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llvm-svn: 50007
2008-04-20 23:36:47 +00:00
Chris Lattner
2c5b96fbee
A better fix for my previous patch, MOVZQI2PQIrr just requires SSE2.
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llvm-svn: 49986
2008-04-20 05:52:46 +00:00
Chris Lattner
f390d62b7f
Switch to using Simplified ConstantFP::get API.
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llvm-svn: 49977
2008-04-20 00:41:09 +00:00
Evan Cheng
f583b3feb6
64-bit atomic operations.
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llvm-svn: 49949
2008-04-19 02:30:38 +00:00
Evan Cheng
1c54ebbe2f
Also LXCHG64 -> XCHG64rm.
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llvm-svn: 49948
2008-04-19 02:05:42 +00:00
Evan Cheng
09e77f6b83
PPC32 atomic operations.
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llvm-svn: 49947
2008-04-19 01:30:48 +00:00
Evan Cheng
b1d240f973
xchg which references a memory operand does not need to lock prefix. Atomicity is guaranteed.
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llvm-svn: 49946
2008-04-19 01:20:30 +00:00
Dan Gohman
98ca33cb59
Fix the handling of va_copy on x86-64. As of llvm-gcc r49920
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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
a626e13995
- Fix atomic operation JIT encoding.
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- Remove unused instructions.
llvm-svn: 49921
2008-04-18 20:55:36 +00:00
Evan Cheng
2b03674feb
Also support Intel asm syntax.
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llvm-svn: 49878
2008-04-17 23:35:10 +00:00
Evan Cheng
0b36ca5023
Fix assembly code for atomic operations.
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llvm-svn: 49869
2008-04-17 21:26:35 +00:00
Evan Cheng
e2e899b5c2
Don't forget about sub-register indices when rematting instructions.
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llvm-svn: 49830
2008-04-16 23:44:44 +00:00
Dale Johannesen
d19ab27ee1
Unbreak build on x86-64.
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llvm-svn: 49822
2008-04-16 22:24:33 +00:00
Nicolas Geoffray
1f3211af01
Correlate stubs with functions in JIT: when emitting a stub, the JIT tells the memory manager which function
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the stub will resolve.
llvm-svn: 49814
2008-04-16 20:46:05 +00:00
Nicolas Geoffray
82baa2d2c6
Infrastructure for getting the machine code size of a function and an instruction. X86, PowerPC and ARM are implemented
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llvm-svn: 49809
2008-04-16 20:10:13 +00:00
Evan Cheng
341bed7210
Initialize X863DNowLevel.
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llvm-svn: 49808
2008-04-16 19:03:02 +00:00
Roman Levenstein
728d59166f
Ongoing work on improving the instruction selection infrastructure:
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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
be8f2b452b
Add support for the form of the SSE41 extractps instruction that
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puts its result in a 32-bit GPR.
llvm-svn: 49762
2008-04-16 02:32:24 +00:00
Dan Gohman
cf79877623
Recreate the size SDNode instead of reusing the old one in the x86
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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