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49211 Commits

Author SHA1 Message Date
Jim Grosbach
3b20e779cd Thumb parsing and encoding for STM. 
llvm-svn: 138345
 2011-08-23 18:15:37 +00:00
Jim Grosbach
709c1644b0 Factor low reg checking into a helper function. 
llvm-svn: 138344
 2011-08-23 18:13:04 +00:00
Owen Anderson
3de2d7656d Fix decoding of Thumb2 prefetch instructions, which account for all the remaining Thumb2 decoding failures found by randomized testing so far. 
llvm-svn: 138341
 2011-08-23 17:51:38 +00:00
Nadav Rotem
d449bc9bff Address Duncan's CR request: 
1. Cleanup the tests in ConstantFolding.cpp
2. Implement isAllOnes for Constant, ConstantFP, ConstantVector

llvm-svn: 138340
 2011-08-23 17:48:43 +00:00
Owen Anderson
4ae835d7c9 Fix Thumb2 decoding of CPS instructions to mirror ARM decoding of the same instructions. 
llvm-svn: 138339
 2011-08-23 17:45:18 +00:00
Jim Grosbach
6ada94c011 Clean up Thumb load/store multiple definitions. 
There is no non-writeback store multiple instruction in Thumb1, so
don't define one. As a result load multiple is the only instantiation of
the multiclass, so refactor that away entirely.

llvm-svn: 138338
 2011-08-23 17:41:15 +00:00
Owen Anderson
9d5074746f Fix two more instances of mis-matched operand names breaking disassembly. Found by randomized testing. 
llvm-svn: 138337
 2011-08-23 17:37:32 +00:00
Ivan Krasin
aa3c2057c5 This patch adds support of le32 pseudo-cpu that stands for generic 
32-bit little-endian CPU. Used by PNaCl and Emscripten.

llvm-svn: 138335
 2011-08-23 16:59:00 +00:00
Craig Topper
67b22aedb4 Add support for breaking 256-bit v16i16 and v32i8 VSETCC into two 128-bit ones, avoiding sclarization. Add vex form of pcmpeqq and pcmpgtq. Fixes more cases for PR10712. 
llvm-svn: 138321
 2011-08-23 04:36:33 +00:00
NAKAMURA Takumi
6b729bec35 lib/Support/Windows/Windows.h: Update required IE ver. 0x0600 should be enough for Windows XP. 
llvm-svn: 138319
 2011-08-23 03:49:11 +00:00
Bruno Cardoso Lopes
8024703a16 Introduce a pass to insert vzeroupper instructions to avoid AVX to 
SSE transition penalty. The pass is enabled through the "x86-use-vzeroupper"
llc command line option. This is only the first step (very naive and
conservative one) to sketch out the idea, but proper DFA is coming next
to allow smarter decisions. Comments and ideas now and in further commits
will be very appreciated.

llvm-svn: 138317
 2011-08-23 01:14:17 +00:00
Jim Grosbach
d299db0857 Thumb parsing and encoding for SBC. 
llvm-svn: 138311
 2011-08-22 23:55:58 +00:00
Jim Grosbach
5ae40d73a6 Thumb parsing and encoding for RSB. 
llvm-svn: 138308
 2011-08-22 23:47:13 +00:00
Owen Anderson
33f3f4ec2a Reject invalid imod values in t2CPS instructions. 
llvm-svn: 138306
 2011-08-22 23:44:04 +00:00
Bill Wendling
02e66489db Split the landing pad's edge. Then for all uses of a landingpad instruction's 
value, we insert a load of the exception object and selector object from memory,
which is where it actually resides. If it's used by a PHI node, we follow that
to where it is being used. Eventually, all landingpad instructions should have
no uses. Any PHI nodes that were associated with those landingpads should be
removed.

llvm-svn: 138302
 2011-08-22 23:38:40 +00:00
Owen Anderson
d5b7d73696 t2SMLAD is a four-register instruction, not a three-register one. 
llvm-svn: 138301
 2011-08-22 23:31:45 +00:00
Owen Anderson
c395a07c42 Correct operand naming of t2USAT16 to allow proper decoding. 
llvm-svn: 138300
 2011-08-22 23:27:47 +00:00
Jim Grosbach
a59709ec01 Revert r138278 now that r138289 has fixed the root issue. 
llvm-svn: 138299
 2011-08-22 23:25:48 +00:00
Owen Anderson
9e750147fb Match operand naming to allow correct decoding of t2LDRSH_POST. 
llvm-svn: 138298
 2011-08-22 23:22:05 +00:00
Jim Grosbach
54234257fa Improve error checking for tPUSH and tPOP register lists. 
llvm-svn: 138295
 2011-08-22 23:17:34 +00:00
Owen Anderson
1cc1a1cb6a Match operand names to provide correct decoding for Thumb2 SMULL. 
llvm-svn: 138294
 2011-08-22 23:16:48 +00:00
Owen Anderson
b400952853 Provide a correct decoder hook for Thumb2 shifted registers. Found by randomized testing. 
llvm-svn: 138292
 2011-08-22 23:10:16 +00:00
Ivan Krasin
47d91d86ca Add NativeClient support to Triple::ParseOS. 
llvm-svn: 138291
 2011-08-22 23:08:53 +00:00
Evan Cheng
a828915f91 Follow up to Jim's r138278. This fixes commuteInstruction so it handles two-address instructions correctly. I'll let Jim add a test case. :-) 
llvm-svn: 138289
 2011-08-22 23:04:56 +00:00
Jim Grosbach
ec3958e68e Thumb assemmbly parsing diagnostic improvements for LDM. 
llvm-svn: 138287
 2011-08-22 23:01:07 +00:00
Benjamin Kramer
bd13a6a319 X86: Add some operand types required to identify calls. 
llvm-svn: 138285
 2011-08-22 22:55:32 +00:00
Jim Grosbach
d28882c799 Temporarilly mark tMUL as not commutable. 
It's not playing nicely in the coalescer with the tied operand. Disable
commutability for now while we figure out the deeper fix.

llvm-svn: 138278
 2011-08-22 22:00:18 +00:00
Owen Anderson
a2231fad2e Provide operand encoding information for half-precision VCVT instructions. Found by randomized testing. 
llvm-svn: 138273
 2011-08-22 21:34:00 +00:00
Bruno Cardoso Lopes
8007165688 Add support for breaking 256-bit int VETCC into two 128-bit ones, 
avoding scalarization of the compare. Reduces code from 59 to 6
instructions. Fix PR10712.

llvm-svn: 138271
 2011-08-22 20:31:04 +00:00
Bruno Cardoso Lopes
23ff325f5b Add 128-bit AVX codegen for PCMP* family of integer instructions 
llvm-svn: 138270
 2011-08-22 20:31:00 +00:00
Owen Anderson
39d3f234f7 Fix decoding of VMOVSRR and VMOVRRS, which account for the overwhelming majority of decoder crashes detected by randomized testing. 
llvm-svn: 138269
 2011-08-22 20:27:12 +00:00
Jordy Rose
62453a17f9 Make DynamicLibrary thread-safe w/r/t call to dlerror() after dlopen(). PR10718 
llvm-svn: 138260
 2011-08-22 19:01:52 +00:00
Jim Grosbach
303d34cede Tighten up ARM reglist validation a bit. 
llvm-svn: 138258
 2011-08-22 18:50:36 +00:00
Bill Wendling
675b27b3f9 Some whitespace fixes and #include reordering. 
llvm-svn: 138256
 2011-08-22 18:44:49 +00:00
Owen Anderson
926f360e53 Fix another batch of VLD/VST decoding crashes discovered by randomized testing. 
llvm-svn: 138255
 2011-08-22 18:42:13 +00:00
Nick Lewycky
0f0a595ec9 Be less redundant. 
llvm-svn: 138252
 2011-08-22 18:26:12 +00:00
Owen Anderson
816f5524f8 Correct writeback handling of duplicating VLD instructions. Discovered by randomized testing. 
llvm-svn: 138251
 2011-08-22 18:22:06 +00:00
Jim Grosbach
a5715c60b5 Clean up predicates on ARM target instruction aliases. 
llvm-svn: 138249
 2011-08-22 18:04:24 +00:00
Owen Anderson
59178665b5 Fix an incorrect shift when decoding SP-relative stores in Thumb1-mode. Add more tests. 
llvm-svn: 138246
 2011-08-22 17:56:58 +00:00
Dan Gohman
a6ceaf82c5 Add a comment. 
llvm-svn: 138243
 2011-08-22 17:29:37 +00:00
Dan Gohman
9619488506 Constant pointers to objects don't need reference counting. 
llvm-svn: 138242
 2011-08-22 17:29:11 +00:00
Benjamin Kramer
c767059573 PathV2: Handle more reserved filenames on windows. 
Patch by Aaron Ballman!

llvm-svn: 138213
 2011-08-20 21:36:38 +00:00
Jim Grosbach
a6e1ed8f2b Fix AsmParser binary precedence for shift operators. 
rdar://9976729

llvm-svn: 138208
 2011-08-20 16:24:13 +00:00
Nadav Rotem
1dc1eb1ae0 Add constant folding support for bitcasts of splat vectors to integers. 
llvm-svn: 138206
 2011-08-20 14:02:29 +00:00
NAKAMURA Takumi
e2ae0063cf lib/Support/CrashRecoveryContext.cpp: Add Win32 support to CrashRecoveryContext. Thanks to Aaron Ballman! 
llvm-svn: 138199
 2011-08-20 06:35:36 +00:00
NAKAMURA Takumi
c5e4d7690d lib/Support/Windows/Windows.h: Require at least Windows XP(5.1) API. We will not support Windows 2000 any more. 
llvm-svn: 138198
 2011-08-20 06:35:31 +00:00
Benjamin Kramer
1adacca2e5 Cast through intptr_t, ISO C++ requires it. 
llvm-svn: 138186
 2011-08-20 02:22:42 +00:00
Chad Rosier
3c596dbe51 Remove the VMOVQQ pseudo instruction. 
llvm-svn: 138177
 2011-08-20 00:52:40 +00:00
Chad Rosier
0d49bb37fb Remove VMOVQQQQ pseudo instruction. 
llvm-svn: 138174
 2011-08-20 00:40:14 +00:00
Jakob Stoklund Olesen
ee6264c790 Add <imp-def> operands to QQ and QQQQ stack loads. 
This pleases the register scavenger and brings
test/CodeGen/ARM/2011-08-12-vmovqqqq-pseudo.ll a little closer to
working with -verify-machineinstrs.

llvm-svn: 138164
 2011-08-20 00:17:45 +00:00