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9036 Commits

Author SHA1 Message Date
Dan Gohman
b4106170dd Add patterns for CALL32m and CALL64m. They aren't matched in most 
cases due to an isel deficiency already noted in
lib/Target/X86/README.txt, but they can be matched in this fold-call.ll
testcase, for example.

This is interesting mainly because it exposes a tricky tblgen bug;
tblgen was incorrectly computing the starting index for variable_ops
in the case of a complex pattern.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51706 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-29 21:50:34 +00:00
Bill Wendling
eecfa369eb Remove more iostream header includes. Needed to implement a "FlushStream" 
function to flush a specified std::ostream.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51705 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-29 21:46:33 +00:00
Dan Gohman
d35121ad00 Fix a tblgen problem handling variable_ops in tblgen instruction 
definitions. This adds a new construct, "discard", for indicating
that a named node in the input matching pattern is to be discarded,
instead of corresponding to a node in the output pattern. This
allows tblgen to know where the arguments for the varaible_ops are
supposed to begin.

This fixes "rdar://5791600", whatever that is ;-).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51699 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-29 19:57:41 +00:00
Dan Gohman
21323f3a82 Expand small memmovs using inline code. Set the X86 threshold for expanding 
memmove to a more plausible value, now that it's actually being used.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51696 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-29 19:42:22 +00:00
Evan Cheng
f26ffe987c Implement vector shift up / down and insert zero with ps{rl}lq / ps{rl}ldq. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51667 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-29 08:22:04 +00:00
Bill Wendling
75cf88f1fe XOR?RI instructions aren't as cheap as moves. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51664 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-29 03:46:36 +00:00
Bill Wendling
bd0879d7d9 Implement "AsCheapAsAMove" for some obviously cheap instructions: xor and the 
like.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51662 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-29 01:02:09 +00:00
Bill Wendling
8370d38ade Add a flag to indicate that an instruction is as cheap (or cheaper) than a move 
instruction to execute. This can be used for transformations (like two-address
conversion) to remat an instruction instead of generating a "move"
instruction. The idea is to decrease the live ranges and register pressure and
all that jazz.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51660 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-28 22:54:52 +00:00
Nate Begeman
73e4d594e7 Update some comments noticed in a recent checkin 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51644 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-28 16:31:36 +00:00
Chris Lattner
e5ab3355ba Add chain inputs for loads. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51635 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-28 04:25:57 +00:00
Chris Lattner
3f1891ca6d Fix CodeGen/Generic/2005-10-21-longlonggtu.ll on ia64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51634 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-28 04:14:30 +00:00
Chris Lattner
b0349bfe72 loads should get chains. THis helps but does not solve CodeGen/Generic/2003-05-27-phifcmpd.ll 
on ia64.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51633 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-28 04:06:52 +00:00
Chris Lattner
9b07d3d378 Fix 2006-04-28-Sign-extend-bool.ll for ia64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51632 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-28 04:00:06 +00:00
Chris Lattner
aec8d823fb reindent. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51631 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-28 03:59:32 +00:00
Dan Gohman
c2ecdc5a26 Fix the encoding for two more "rm" instructions that were using MRMSrcReg. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51630 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-28 01:50:19 +00:00
Mon P Wang
bfbbd4d221 Fixed X86 encoding error CVTPS2PD and CVTPD2PS when the source operand 
is a memory location


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51626 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-28 00:42:27 +00:00
Nate Begeman
f7333bf4a2 Don't attempt to create VZEXT_LOAD out of an extload. This an issue where the 
code generator would do something like this:

f64 = load f32 <anyext>, f32mem
v2f64 = insertelt undef, %0, 0
v2f64 = insertelt %1, 0.0, 1

into 

v2f64 = vzext_load f32mem

which on x86 is movsd, when you really wanted a cvtss2sd/movsd pair.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51624 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-28 00:24:25 +00:00
Duncan Sands
43e2a03530 Fix some constructs that gcc-4.4 warns about. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51591 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-27 11:50:51 +00:00
Chris Lattner
e7a83dfac6 Add FreeBSD/PPC support, patch by Marcel Moolenaar! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51538 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-24 04:58:48 +00:00
Evan Cheng
a31593901d Eliminate x86.sse2.punpckh.qdq and x86.sse2.punpckl.qdq. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51533 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-24 02:56:30 +00:00
Evan Cheng
e716bb1c59 Eliminate x86.sse2.movs.d, x86.sse2.shuf.pd, x86.sse2.unpckh.pd, and x86.sse2.unpckl.pd intrinsics. These will be lowered into shuffles. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51531 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-24 02:14:05 +00:00
Duncan Sands
5ea38a6144 Tweak how ConstantFP80Ty constants are output 
so that gcc doesn't warn about them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51529 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-24 01:00:52 +00:00
Dale Johannesen
247580b569 Put initialized const weak objects into correct 
sections on ppc32 darwin.  g++.dg/abi/key2.C



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51527 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-24 00:10:20 +00:00
Evan Cheng
fe5b159ae2 This is done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51526 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-24 00:10:13 +00:00
Evan Cheng
999dbe6bbc Remove x86.sse2.loadh.pd and x86.sse2.loadl.pd. These will be lowered into load and shuffle instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51522 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-24 00:07:29 +00:00
Dale Johannesen
80d7e26513 Add a missed CommonLinkage check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51503 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 21:33:27 +00:00
Evan Cheng
cd0baf21a1 Use movlps / movhps to modify low / high half of 16-byet memory location. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51501 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 21:23:16 +00:00
Dan Gohman
a9e75631a7 Elaborate on the entry on integer vector multiplication by constants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51491 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 18:05:39 +00:00
Evan Cheng
50f778deed Fix a duplicated pattern. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51490 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 18:00:18 +00:00
Dan Gohman
0b924dcef8 Use PMULDQ for v2i64 multiplies when SSE4.1 is available. And add 
load-folding table entries for PMULDQ and PMULLD.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51489 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 17:49:40 +00:00
Evan Cheng
d4083d01d2 New entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51487 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 17:28:11 +00:00
Dan Gohman
17dab19226 Fix another isFirstClassType that now needs to be isSingleValueType. 
This fixes recent CBE regressions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51483 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 16:57:00 +00:00
Chris Lattner
3adaa93700 we compile multiply-by-constant into horrible code. Doesn't sse4 have some 
instruction for doing this?


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51473 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 04:29:53 +00:00
Evan Cheng
b1938263c7 Bug: rcpps can only folds a load if the address is 16-byte aligned. Fixed many 'ps' load folding patterns in X86InstrSSE.td which are missing the proper alignment checks. 
Also fixed some 80 col. violations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51462 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 00:37:07 +00:00
Dale Johannesen
bbcb34cafb Put const weak stuff in appropriate section on Darwin. 
g++.dg/abi/key2.C



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51458 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-23 00:16:59 +00:00
Evan Cheng
5bbaf01b84 X86CodeEmitter should not set PIC style to None at initialization time. This will break codegen if relocation model is changed to PIC_ later. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51455 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-22 23:55:24 +00:00
Evan Cheng
c36c0ab44b Add missing patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51435 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-22 18:56:56 +00:00
Chris Lattner
687a4cb295 fix an off-by-one error in my previous patch, don't treat the callee as a incoming arg. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51422 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-22 06:29:38 +00:00
Chris Lattner
f6a048c3a8 Add support for multiple-return values in inline asm. This should 
get inline asm working as well as it did previously with the CBE
with the new MRV support for inline asm.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51420 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-22 06:19:37 +00:00
Evan Cheng
8e8de684c7 movsd and movq do not require 16-byte alignment. This fixes vec_set-5.ll on Linux. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51327 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 18:24:47 +00:00
Evan Cheng
a125e62117 runOnMachineFunction should set IsPIC because relocation model may have been changed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51291 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 01:56:59 +00:00
Dale Johannesen
c215b3ef5d Handle quoted names when constructing $stub's, 
$non_lazy_ptr's and $lazy_ptr's.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51277 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-19 21:38:18 +00:00
Chris Lattner
b5783106c4 trip count computation deficiency 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51222 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-17 15:37:38 +00:00
Dale Johannesen
ea7dd40714 Record weak external linkage in a case where we were 
missing it. gcc.dg/darwin-weakimport-2.c.
Handle common and weak differently for darwin ppc32.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51201 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 20:09:25 +00:00
Gabor Greif
7cbd8a3e92 API change for {BinaryOperator|CmpInst|CastInst}::create*() --> Create. Legacy interfaces will be in place for some time. (Merge from use-diet branch.) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51200 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 19:29:10 +00:00
Dale Johannesen
f88c81e332 Treat common as distinct from weak global on Darwin x86. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51172 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-16 00:52:06 +00:00
Evan Cheng
0ef8de30fa Fix typos and comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51165 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-15 22:13:02 +00:00
Evan Cheng
f0df03134e Make use of vector load and store operations to implement memcpy, memmove, and memset. Currently only X86 target is taking advantage of these. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51140 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-15 08:39:06 +00:00
Evan Cheng
bb60674191 Silence warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51129 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-14 20:33:21 +00:00
Dale Johannesen
aafce77b17 Add CommonLinkage; currently tentative definitions 
are represented as "weak", but there are subtle differences
in some cases on Darwin, so we need both.  The intent
is that "common" will behave identically to "weak" unless
somebody changes their target to do something else.
No functional change as yet.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51118 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-14 20:12:51 +00:00