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2fdd95eee7
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5873 Commits

Author SHA1 Message Date
Evan Cheng
2fdd95eee7 Support for passing 128-bit vector arguments via XMM registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27992 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-27 08:31:10 +00:00
Evan Cheng
5fb03ce905 Oops 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27989 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-27 05:44:50 +00:00
Evan Cheng
85e3800e42 Bug fix: not updating NumIntRegs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27988 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-27 05:35:28 +00:00
Evan Cheng
eda65fa20b - Clean up formal argument lowering code. Prepare for vector pass by value work. 
- Fixed vararg support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27985 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-27 01:32:22 +00:00
Evan Cheng
9191dbba8e Fix fastcc failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27980 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-26 18:21:31 +00:00
Evan Cheng
1bc7804e4c Switching over FORMAL_ARGUMENTS mechanism to lower call arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27975 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-26 01:20:17 +00:00
Nate Begeman
add19dc20a Keep the stack from on darwin 16-byte aligned. This fixes many JIT 
failres.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27973 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-25 20:54:26 +00:00
Evan Cheng
0db9fe6775 Separate LowerOperation() into multiple functions, one per opcode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27972 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-25 20:13:52 +00:00
Evan Cheng
3d1be07141 Fix a typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27968 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-25 17:48:41 +00:00
Nate Begeman
b3f70d7d55 No functionality changes, but cleaner code with correct comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27966 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-25 04:45:59 +00:00
Evan Cheng
a2137b592e Explicitly specify result type for def : Pat<> patterns (if it produces a vector 
result). Otherwise tblgen will pick the default (v16i8 for 128-bit vector).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27965 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-25 00:50:01 +00:00
Evan Cheng
a7fc64222a Added X86 SSE2 intrinsics which can be represented as vector_shuffles. This is 
a temporary workaround for the 2-wide vector_shuffle problem (i.e. its mask
would have type v2i32 which is not legal).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27964 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-24 23:34:56 +00:00
Evan Cheng
d7ec518927 Add a new entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27963 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-24 23:30:10 +00:00
Evan Cheng
37d1d9bc66 Special case handling two wide build_vector(0, x). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27961 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-24 22:58:52 +00:00
Evan Cheng
64e9769339 Some missing movlps, movhps, movlpd, and movhpd patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27960 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-24 21:58:20 +00:00
Evan Cheng
c78d3b43f5 A little bit more build_vector enhancement for v8i16 cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27959 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-24 18:01:45 +00:00
Evan Cheng
86661f4879 Remove a completed entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27958 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-24 17:38:16 +00:00
Evan Cheng
49bca8536c MakeMIInst() should handle jump table index operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27955 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-24 05:37:35 +00:00
Chris Lattner
57a6c135f2 Add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27954 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-23 19:47:09 +00:00
Evan Cheng
9293451e3f MOVL shuffle (i.e. movd or movss / movsd from memory) of undef, V2 == V2 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27953 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-23 06:35:19 +00:00
Nate Begeman
a766765358 Optimized stores to the constant pool, while cool, are unnecessary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27948 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-22 22:31:45 +00:00
Nate Begeman
37efe67645 JumpTable support! What this represents is working asm and jit support for 
x86 and ppc for 100% dense switch statements when relocations are non-PIC.
This support will be extended and enhanced in the coming days to support
PIC, and less dense forms of jump tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27947 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-22 18:53:45 +00:00
Evan Cheng
1900c012f5 Don't do all the lowering stuff for 2-wide build_vector's. Also, minor optimization for shuffle of undef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27946 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-22 08:34:05 +00:00
Evan Cheng
a083af14c8 Fix a performance regression. Use {p}shuf* when there are only two distinct elements in a build_vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27945 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-22 06:21:46 +00:00
Chris Lattner
ea4a9c575f Teach the JIT how to relocate LI, this fixes the JIT on Prolangs-C/TimberWolfMC 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27943 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-22 06:17:56 +00:00
Evan Cheng
ba05f728b5 Revamp build_vector lowering to take advantage of movss and movd instructions. 
movd always clear the top 96 bits and movss does so when it's loading the
value from memory.
The net result is codegen for 4-wide shuffles is much improved. It is near
optimal if one or more elements is a zero. e.g.

__m128i test(int a, int b) {
  return _mm_set_epi32(0, 0, b, a);
}

compiles to

_test:
	movd 8(%esp), %xmm1
	movd 4(%esp), %xmm0
	punpckldq %xmm1, %xmm0
	ret

compare to gcc:

_test:
	subl	$12, %esp
	movd	20(%esp), %xmm0
	movd	16(%esp), %xmm1
	punpckldq	%xmm0, %xmm1
	movq	%xmm1, %xmm0
	movhps	LC0, %xmm0
	addl	$12, %esp
	ret

or icc:

_test:
        movd      4(%esp), %xmm0                                #5.10
        movd      8(%esp), %xmm3                                #5.10
        xorl      %eax, %eax                                    #5.10
        movd      %eax, %xmm1                                   #5.10
        punpckldq %xmm1, %xmm0                                  #5.10
        movd      %eax, %xmm2                                   #5.10
        punpckldq %xmm2, %xmm3                                  #5.10
        punpckldq %xmm3, %xmm0                                  #5.10
        ret                                                     #5.10

There are still room for improvement, for example the FP variant of the above example:

__m128 test(float a, float b) {
  return _mm_set_ps(0.0, 0.0, b, a);
}

_test:
	movss 8(%esp), %xmm1
	movss 4(%esp), %xmm0
	unpcklps %xmm1, %xmm0
	xorps %xmm1, %xmm1
	movlhps %xmm1, %xmm0
	ret

The xorps and movlhps are unnecessary. This will require post legalizer optimization to handle.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27939 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-21 23:03:30 +00:00
Nate Begeman
d9993b0b2d Fix the comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27938 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-21 22:11:27 +00:00
Nate Begeman
6fcbd6961d Change the PPC JIT to use a Static relocation model 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27937 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-21 22:04:15 +00:00
Chris Lattner
6e68a7752b fix thinko 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27935 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-21 21:05:22 +00:00
Chris Lattner
3e663a6c16 add some low-prio notes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27934 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-21 21:03:21 +00:00
Evan Cheng
017dcc6e55 Now generating perfect (I think) code for "vector set" with a single non-zero 
scalar value.

e.g.
        _mm_set_epi32(0, a, 0, 0);
==>
	movd 4(%esp), %xmm0
	pshufd $69, %xmm0, %xmm0

        _mm_set_epi8(0, 0, 0, 0, 0, a, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
==>
	movzbw 4(%esp), %ax
	movzwl %ax, %eax
	pxor %xmm0, %xmm0
	pinsrw $5, %eax, %xmm0


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27923 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-21 01:05:10 +00:00
Chris Lattner
ba2194ae84 Fix the CodeGen/PowerPC/buildvec_canonicalize.ll regression last night. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27908 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-20 19:01:30 +00:00
Chris Lattner
879acefed5 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27907 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-20 18:49:28 +00:00
Chris Lattner
a29526275b remove some v9 specific code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27900 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-20 18:33:11 +00:00
Chris Lattner
060054b9d9 Remove this obsolete file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27895 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-20 18:16:45 +00:00
Chris Lattner
2706983c48 This target is no longer built. The ,v files now live in the reoptimizer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27885 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-20 17:15:44 +00:00
Evan Cheng
39623daef6 - Added support to turn "vector clear elements", e.g. pand V, <-1, -1, 0, -1> 
to a vector shuffle.
- VECTOR_SHUFFLE lowering change in preparation for more efficient codegen
of vector shuffle with zero (or any splat) vector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27875 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-20 08:58:49 +00:00
Chris Lattner
0231007269 Make sure that the new instructions selected have the right type. This fixes 
CodeGen/PowerPC/2006-04-19-vmaddfp-crash.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27868 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-20 05:58:10 +00:00
Evan Cheng
72cd9a9439 Handle v2i64 BUILD_VECTOR custom lowering correctly. v2i64 is a legal type, 
but i64 is not. If possible, change a i64 op to a f64 (e.g. load, constant)
and then cast it back.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27849 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-20 00:11:39 +00:00
Evan Cheng
94fe5eb14a isSplatMask() bug: first element can be an undef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27847 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-19 23:28:59 +00:00
Evan Cheng
80d428c370 - Added support to do aribitrary 4 wide shuffle with no more than three 
instructions.
- Fixed a commute vector_shuff bug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27845 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-19 22:48:17 +00:00
Evan Cheng
fd111b5be5 Prefer {p}unpack* and mov*dup over {p}shuf* as well. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27844 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-19 21:15:24 +00:00
Evan Cheng
f5e1dc278b Renamed AddedCost to AddedComplexity. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27843 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-19 20:38:28 +00:00
Evan Cheng
2dadaea5d2 - Renamed AddedCost to AddedComplexity. 
- Added more movhlps and movlhps patterns.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27842 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-19 20:37:34 +00:00
Evan Cheng
533a0aa9ba Commute vector_shuffle to match more movlhps, movlp{s|d} cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27840 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-19 20:35:22 +00:00
Evan Cheng
f66a094cac More mov{h|l}p{d|s} patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27836 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-19 18:20:17 +00:00
Evan Cheng
cc0e98c8ed - More mov{h|l}ps patterns. 
- Increase cost (complexity) of patterns which match mov{h|l}ps ops. These
  are preferred over shufps in most cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27835 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-19 18:11:52 +00:00
Evan Cheng
5941320c0d Allow "let AddedCost = n in" to increase pattern complexity. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27834 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-19 18:07:24 +00:00
Chris Lattner
8cc5ffb27f add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27832 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-19 16:22:38 +00:00
Chris Lattner
bf9b3716ed add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27828 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-19 05:55:06 +00:00