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9037 Commits

Author SHA1 Message Date
Bill Wendling
37a6134165 Add the "AsCheapAsAMove" flag to some 64-bit xor instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51761 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-30 06:47:04 +00:00
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