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5689 Commits

Author SHA1 Message Date
Bob Wilson
7dcd04abe0 Expand VMOVQQQQ pseudo instructions. 
Apparently we never added code to expand these pseudo instructions, and in
over a year, no one has noticed.  Our register allocator must be awesome!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137551 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-13 05:14:55 +00:00
Bruno Cardoso Lopes
53cae1362d The VPERM2F128 is a AVX instruction which permutes between two 256-bit 
vectors. It operates on 128-bit elements instead of regular scalar
types. Recognize shuffles that are suitable for VPERM2F128 and teach
the x86 legalizer how to handle them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137519 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 21:48:26 +00:00
Akira Hatanaka
5c21c9e78e Define unaligned load and store. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137515 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 21:30:06 +00:00
Akira Hatanaka
11abf5bca9 Test case for 137484 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137486 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-12 18:12:06 +00:00
Akira Hatanaka
9029cf20e1 Enclose directive .cprestore with .set macro and nomacro to silence assembler 
warning. 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137378 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-11 22:42:31 +00:00
Bruno Cardoso Lopes
ef8d6999f3 Add a dag combine to xform 256-bit shuffles into simple vector 
inserts and extracts. This simple combine makes us generate only 1
instruction instead of 11 in the v8 case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137362 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-11 21:50:44 +00:00
Bruno Cardoso Lopes
ec91640997 Fix the test added by Nadav in r137308. Make it more strict: 
1) check for the "v" version of movaps
2) add a couple of CHECK-NOT to guarantee the behavior
3) move to a more appropriate test file

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137361 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-11 21:50:35 +00:00
Bruno Cardoso Lopes
59353b436a Fix PR10492 by teaching MOVHLPS and MOVLPS mask matching to be more strict. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137324 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-11 18:59:13 +00:00
Jim Grosbach
f6713916fb ARM push of a single register encodes as pre-indexed STR. 
Per the ARM ARM, a 'push' of a single register encodes as an STR,
not an STM.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137318 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-11 18:07:11 +00:00
Jim Grosbach
f8fce711e8 ARM pop of a single register encodes as post-indexed LDR. 
Per the ARM ARM, a 'pop' of a single register encodes as an LDR,
not an LDM.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137316 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-11 17:35:48 +00:00
Nadav Rotem
5e742a3e1b [AVX] If the data which is going to be saved is already in two XMM registers 
(for example, after integer operation), do not pack the registers into a YMM
before saving. Its better to save as two XMM registers.

Before:
                vinsertf128         $1, %xmm3, %ymm0, %ymm3
                vinsertf128         $0, %xmm1, %ymm3, %ymm1
                vmovaps              %ymm1, 416(%rsp)

After:
                vmovaps              %xmm3, 416+16(%rsp)
                vmovaps              %xmm1, 416(%rsp)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137308 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-11 16:41:21 +00:00
Chris Lattner
7eba85eb86 add missing colon, thanks peter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137306 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-11 16:15:10 +00:00
Chris Lattner
f4ea68fa5a fix PR10605 / rdar://9930964 by adding a pretty scary missed check. 
It's somewhat surprising anything works without this.  Before we would
compile the testcase into:

test:                                   # @test
	movl	$4, 8(%rdi)
	movl	8(%rdi), %eax
	orl	%esi, %eax
	cmpl	$32, %edx
	movl	%eax, -4(%rsp)          # 4-byte Spill
	je	.LBB0_2

now we produce:

test:                                   # @test
	movl	8(%rdi), %eax
	movl	$4, 8(%rdi)
	orl	%esi, %eax
	cmpl	$32, %edx
	movl	%eax, -4(%rsp)          # 4-byte Spill
	je	.LBB0_2



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137303 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-11 06:26:54 +00:00
Bruno Cardoso Lopes
5f1d8abf75 Splats for v8i32/v8f32 can be handled by VPERMILPSY. This was causing 
infinite recursive calls in legalize. Fix PR10562

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137296 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-11 02:49:44 +00:00
Bruno Cardoso Lopes
a5134a0ea3 Use the splat index to generate the desired shuffle. Otherwise we 
could only get undefs and the vector shuffle becomes an undef,
generating wrong code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137295 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-11 02:49:41 +00:00
Eli Friedman
586272d67c Fix X86TargetLowering::LowerExternalSymbol so that it actually works in non-trivial cases. This hasn't been an issue before because the function isn't normally called (but apparently is used to generate a tail-call to sin() on ELF x86-32 with PIC and SSE2). 
Fixes PR9693.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137292 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-11 01:48:05 +00:00
NAKAMURA Takumi
9cbb0d2b3c test/CodeGen/X86/opt-shuff-tstore.ll: Add explicit -mtriple=x86_64-linux. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137262 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-10 22:52:48 +00:00
Devang Patel
c722c3d5ff While extending definition range of a debug variable, consult lexical scopes also. There is no point extending debug variable out side its lexical block. This provides 6x compile time speedup in some cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137250 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-10 21:25:34 +00:00
Nadav Rotem
f429767765 Fix the test. Add cpu target. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137241 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-10 19:49:19 +00:00
Nadav Rotem
614061bfb4 When performing a truncating store, it is sometimes possible to rearrange the 
data in-register prior to saving to memory.  When we reorder the data in memory
we prevent the need to save multiple scalars to memory, making a single regular
store.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137238 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-10 19:30:14 +00:00
Bruno Cardoso Lopes
6ad251358e The following X86 pattern is incorrect: 
def : Pat<(X86Movss VR128:$src1,
                   (bc_v4i32 (v2i64 (load addr:$src2)))),
          (MOVLPSrm VR128:$src1, addr:$src2)>;
This matches a MOVSS dag with a MOVLPS instruction. However, MOVSS will replace only the low 32 bits of the register, while the MOVLPS instruction will replace the low 64 bits. A testcase is added and illustrates the bug and also modified the one that was already present. Patch by Tanya Lattner.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137227 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-10 17:45:17 +00:00
Rafael Espindola
f5ade5d39a Add support for the R and Q constraints. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137217 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-10 16:26:42 +00:00
Bruno Cardoso Lopes
155a92a491 Fix a bug in vpermilps mask checking. Fix PR10560 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137194 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-10 01:54:17 +00:00
Bruno Cardoso Lopes
d40aa24ebf Add 256-bit support for v8i32, v4i64 and v4f64 ISD::SELECT. Fix PR10556 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137179 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-09 23:27:13 +00:00
Bruno Cardoso Lopes
18deb04e9c Add v16i16 and v32i8 store patterns 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137166 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-09 22:39:53 +00:00
Bruno Cardoso Lopes
cde4a1abd5 Use fp unpack instructions to unpack int types. Until we have AVX2, this 
is the best we can do for these patterns. This fix PR10554.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137161 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-09 22:18:37 +00:00
Eli Friedman
fc430a662f Fix a couple ridiculous copy-paste errors. rdar://9914773 . 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137160 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-09 22:17:39 +00:00
Bill Wendling
c6fbe5636d Revert r137134. It breaks some code as Eli pointed out. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137135 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-09 18:56:35 +00:00
Bill Wendling
a0f596c1fc Print out the variable declaration only if it is a declaration. Otherwise, a 
'static' variable will be emitted twice.
PR10081


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137134 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-09 18:31:50 +00:00
Jakob Stoklund Olesen
4a74b3b933 Inflate register classes after coalescing. 
Coalescing can remove copy-like instructions with sub-register operands
that constrained the register class.  Examples are:

  x86: GR32_ABCD:sub_8bit_hi -> GR32
  arm: DPR_VFP2:ssub0 -> DPR

Recompute the register class of any virtual registers that are used by
less instructions after coalescing.

This affects code generation for the Cortex-A8 where we use NEON
instructions for f32 operations, c.f. fp_convert.ll:

  vadd.f32  d16, d1, d0
  vcvt.s32.f32  d0, d16

The register allocator is now free to use d16 for the temporary, and
that comes first in the allocation order because it doesn't interfere
with any s-registers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137133 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-09 18:19:41 +00:00
Bruno Cardoso Lopes
e2406dfd89 Reapply a more appropriate solution than in r137114. AVX supports 
v4f64 = sitofp v4i32. This fix PR10559.
Also add support for v4i32 = fptosi v4f64.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137128 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-09 17:39:13 +00:00
Bruno Cardoso Lopes
a511b8e519 Revert r137114 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137127 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-09 17:39:01 +00:00
Justin Holewinski
4bdd4ed564 PTX: Add initial support for device function calls 
- Calls are supported on SM 2.0+ for function with no return values

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137125 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-09 17:36:31 +00:00
Bruno Cardoso Lopes
e321d7ffc5 Handle sitofp between v4f64 <- v4i32. Fix PR10559 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137114 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-09 05:48:01 +00:00
Bruno Cardoso Lopes
2f613c5fff Add support for avx vector fextend 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137105 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-09 03:04:29 +00:00
Bruno Cardoso Lopes
b33ea56448 Rename and tidy up tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137103 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-09 03:04:23 +00:00
Bruno Cardoso Lopes
e5118ab7bb Add two patterns to match special vmovss and vmovsd cases. Also fix 
the patterns already there to be more strict regarding the predicate.
This fixes PR10558

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137100 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-09 01:43:09 +00:00
Bruno Cardoso Lopes
0f0e0a0e58 Make LowerVSETCC aware of AVX types and add patterns to match them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137090 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-09 00:46:57 +00:00
Bruno Cardoso Lopes
328a9d4a0f Add support for several vector shifts operations while in AVX mode. Fix PR10581 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137067 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-08 21:31:08 +00:00
Eli Friedman
2cb1dfa446 Fix up the patterns for SXTB, SXTH, UXTB, and UXTH so that they are correctly active without HasT2ExtractPack. PR10611. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137061 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-08 19:49:37 +00:00
Jakob Stoklund Olesen
66b0f515d5 Don't clobber pending ST regs when FP regs are killed. 
X86FloatingPoint keeps track of pending ST registers for an upcoming
inline asm instruction with fixed stack register constraints.  It does
this by remembering which FP register holds the value that should appear
at a fixed stack position for the inline asm.

When that FP register is killed before the inline asm, make sure to
duplicate it to a scratch register, so the ST register still has a live
FP reference.

This could happen when the same FP register was copied to two ST
registers, or when a spill instruction is inserted between the ST copy
and the inline asm.

This fixes PR10602.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137050 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-08 17:15:43 +00:00
Rafael Espindola
251a2bbfb0 print st_shndx with the correct number of bits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136880 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-04 15:50:13 +00:00
Rafael Espindola
67ac0c0d63 print st_other with the correct number of bits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136877 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-04 15:38:19 +00:00
Rafael Espindola
71a8f5ca12 print st_type with the correct number of bits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136875 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-04 15:24:00 +00:00
Rafael Espindola
d7c278326f Print st_bind with the correct number of bits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136874 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-04 15:10:35 +00:00
Rafael Espindola
a83f8ef9b4 Print r_sym with the correct number of bits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136873 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-04 14:48:27 +00:00
Rafael Espindola
f81f6758f3 Print r_type with the correct number of bits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136872 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-04 14:39:30 +00:00
Rafael Espindola
f7179de2a5 Change anther counter to decimal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136870 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-04 14:01:03 +00:00
Rafael Espindola
014180d387 Don't print a counter in hex. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136869 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-04 13:39:15 +00:00
Bill Wendling
456a925c61 Only access both operands of an INSERT_SUBVECTOR if it is an INSERT_SUBVECTOR. 
Fixes PR10527.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136853 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-04 00:32:58 +00:00