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1049 Commits

Author SHA1 Message Date
Evan Cheng 97727a61f9 Select ADC, SBC, and RSC instead of the ADCS, SBCS, and RSCS when the carry bit def is not used. 
llvm-svn: 74228
 2009-06-25 23:34:10 +00:00
David Goodwin 16f357cccf Use MVN for ~t2_so_imm immediates. 
llvm-svn: 74223
 2009-06-25 23:11:21 +00:00
David Goodwin e85169cd1b Add Def/Use of CPSR for Thumb-1 instructions. 
llvm-svn: 74219
 2009-06-25 22:49:55 +00:00
Evan Cheng 7e687191fd Unbreak mingw build. Patch by Viktor Kutuzov. 
llvm-svn: 74212
 2009-06-25 22:04:44 +00:00
Evan Cheng c7ea8df67e ISD::ADDE / ISD::SUBE updates the carry bit so they should isle to ADCS and SBCS / RSCS. 
llvm-svn: 74200
 2009-06-25 20:59:23 +00:00
David Goodwin e892e8bfaf Test commit 
llvm-svn: 74185
 2009-06-25 17:52:32 +00:00
Bob Wilson 8f74c88cb6 Revert 74164. We'll want to use this method later. 
llvm-svn: 74176
 2009-06-25 16:03:07 +00:00
Bob Wilson 350abb9799 Remove unused hasV6T2Ops method. We already have a separate feature to 
identify Thumb2.

llvm-svn: 74164
 2009-06-25 05:20:31 +00:00
Douglas Gregor 2042c3519d Add missing dependencies to the CMake build system. 
llvm-svn: 74161
 2009-06-25 05:03:06 +00:00
Evan Cheng d76f0be844 Change thumb2 instruction definitions so if-converter so add predicate operands and / or flip the 's' bit to set the condition flag. 
llvm-svn: 74158
 2009-06-25 02:08:06 +00:00
Evan Cheng 6ea7ad0351 Add thumb2 add sp. 
llvm-svn: 74156
 2009-06-25 01:21:30 +00:00
Evan Cheng b566ab7b97 Some reorg and additional comments. 
llvm-svn: 74152
 2009-06-25 01:05:06 +00:00
Devang Patel 9d68302e48 No need to code gen MDNodes 
llvm-svn: 74150
 2009-06-25 00:47:42 +00:00
Evan Cheng 83f979a48b Add Thumb2 pc relative add. 
llvm-svn: 74141
 2009-06-24 23:47:58 +00:00
Evan Cheng 4c048fe5ad 80 col violation. 
llvm-svn: 74138
 2009-06-24 23:14:45 +00:00
Chris Lattner 70413126b6 sink dwarf finalization out of each target into AsmPrinter::doFinalization 
llvm-svn: 74097
 2009-06-24 18:54:37 +00:00
Chris Lattner 2981dc1742 eliminate the ExtWeakSymbols set from AsmPrinter. This eliminates 
a bunch of code from all the targets, and eliminates nondeterministic
ordering of directives being emitted in the output.

llvm-svn: 74096
 2009-06-24 18:52:01 +00:00
Nick Lewycky 443af01b1a Unbreak build on Linux by removing Darwinism. 
llvm-svn: 74046
 2009-06-24 01:08:42 +00:00
Dan Gohman a3d375845e Revert this accidental commit. 
llvm-svn: 74042
 2009-06-24 00:55:55 +00:00
Dan Gohman f436bacb6b Move the special cases for constants out of getUnknown and into 
createSCEV. Also, recognize UndefValue in createSCEV.

Change getIntegerSCEV's comment to avoid mentioning FP types,
and re-implement it in terms of getConstant instead of getUnknown.

llvm-svn: 74041
 2009-06-24 00:54:57 +00:00
Bob Wilson 5a495fea07 Provide InitializeAllTargets and InitializeNativeTarget functions in the 
C bindings.  Change all the backend "Initialize" functions to have C linkage.
Change the "llvm/Config/Targets.def" header to use C-style comments to avoid
compile warnings.

llvm-svn: 74026
 2009-06-23 23:59:40 +00:00
Evan Cheng 7d80d29187 Test instructions operands were printed in the wrong order. 
llvm-svn: 73990
 2009-06-23 19:56:37 +00:00
Evan Cheng 4983e4550e Proper patterns for thumb2 shift and rotate instructions. 
llvm-svn: 73987
 2009-06-23 19:39:13 +00:00
Evan Cheng 8d21e9c4e6 Code clean up. 
llvm-svn: 73986
 2009-06-23 19:38:34 +00:00
Evan Cheng bec1dba896 Add IsThumb1Only to most 16-bit thumb instructions since we want to isel 32-bit instructions when they are available. 
llvm-svn: 73985
 2009-06-23 19:38:13 +00:00
Evan Cheng e379107cdc Rename SelectShifterOperand to SelectThumb2ShifterOperandReg. 
llvm-svn: 73975
 2009-06-23 18:14:38 +00:00
Douglas Gregor 85fedbe081 Eliminate object-relinking support from CMake. Fixes PR 4429 and 
cleans up the CMake-based build system a bit. Started by a patch from
Xerxes Rånby.

llvm-svn: 73969
 2009-06-23 17:57:35 +00:00
Evan Cheng b45cebabc9 Obvious typo. 
llvm-svn: 73967
 2009-06-23 17:54:26 +00:00
Evan Cheng 431cf567de Initial Thumb2 support. Majority of the work is done by David Goodwin. There are 
also some contribution from Jim Grosbach, Bob Wilson, and Evan Cheng.

I've done my best to consolidate the patches with those that were done by
Viktor Kutuzov and Anton Korzh from Access Softek, Inc. Let me know if missed
anything. I've completely reorganized the thumb2 td file, made more extensive
uses of multiclass, etc.

Test cases will be contributed later after I re-organize what's in svn first.

llvm-svn: 73965
 2009-06-23 17:48:47 +00:00
Evan Cheng 6a42ec3e70 Minor reorg. 
llvm-svn: 73948
 2009-06-23 05:25:29 +00:00
Evan Cheng 022a726a25 Replace isTwoAddress with operand constraint. 
llvm-svn: 73947
 2009-06-23 05:23:49 +00:00
Bob Wilson 2e076c4e02 Add support for ARM's Advanced SIMD (NEON) instruction set. 
This is still a work in progress but most of the NEON instruction set
is supported.

llvm-svn: 73919
 2009-06-22 23:27:02 +00:00
Bob Wilson e67b77028e Add explicit types for shift count constants. This is in preparation for 
another change that makes the types ambiguous (at least as far as tablegen
is concerned).

llvm-svn: 73909
 2009-06-22 22:08:29 +00:00
Bob Wilson 482495695e Use thumb2 for ARM architectures V6T2 and later. Fix a bug in checking 
for "thumb" and add a check for V6T2.

llvm-svn: 73905
 2009-06-22 21:28:22 +00:00
Bob Wilson 4582530a2c For Darwin on ARMv6 and newer, make register r9 available for use as a 
caller-saved register.

llvm-svn: 73901
 2009-06-22 21:01:46 +00:00
Evan Cheng 3d75d6af57 hasFP should return true if frame address is taken. 
llvm-svn: 73893
 2009-06-22 18:38:48 +00:00
Bob Wilson 360eef0782 Fix llvm-gcc build for armv6t2 and later architectures. The hasV6T2Ops 
predicate does not check if Thumb mode is enabled, and when in ARM mode
there are still some checks for constant-pool use that need to run.

llvm-svn: 73887
 2009-06-22 17:29:13 +00:00
Devang Patel 79ef65a271 Remove unused field. 
llvm-svn: 73815
 2009-06-20 01:07:54 +00:00
Evan Cheng b4b20bbb7d Enable arm pre-allocation load / store multiple optimization pass. 
llvm-svn: 73791
 2009-06-19 23:17:27 +00:00
Devang Patel 33f4eb462f Move up dwarf writer initialization in common AsmPrinter class. 
llvm-svn: 73784
 2009-06-19 21:54:26 +00:00
Evan Cheng d305869ca2 Add comments. 
llvm-svn: 73761
 2009-06-19 07:06:07 +00:00
Evan Cheng 1592035e67 Should be using Bcc (average) latency to determine if-conversion threshold, not BL. 
llvm-svn: 73759
 2009-06-19 06:56:26 +00:00
Evan Cheng 5d8df7ff34 Transfer dead markers when a ldrd is changed into a ldm or a pair of ldr. 
llvm-svn: 73749
 2009-06-19 01:59:04 +00:00
Evan Cheng 4e712de541 Latency information for ARM v6. It's rough and not yet hooked up. Right now we are only using branch latency to determine if-conversion limits. 
llvm-svn: 73747
 2009-06-19 01:51:50 +00:00
Eli Friedman d984158320 Mark a few Thumb instructions commutable; just happened to spot this 
while experimenting.  I'm reasonably sure this is correct, but please 
tell me if these instructions have some strange property which makes this
change unsafe.

llvm-svn: 73746
 2009-06-19 01:43:08 +00:00
Chris Lattner 8284b66264 merge the common darwin settings from the X86/PPC/ARM targets 
into DarwinTargetAsmInfo.cpp.  The remaining differences should
be evaluated.  It seems strange that x86/arm has .zerofill but ppc
doesn't, etc.

llvm-svn: 73742
 2009-06-19 00:08:39 +00:00
Chris Lattner b84764516d move mangler quote handling from asm printers to TargetAsmInfo. 
llvm-svn: 73738
 2009-06-18 23:41:35 +00:00
Chris Lattner 09081b25a5 simplify macro debug info directive handling. 
llvm-svn: 73736
 2009-06-18 23:31:37 +00:00
Evan Cheng a0ca298f8a Remove UseThumbBacktraces. Just check if subtarget is darwin. 
llvm-svn: 73734
 2009-06-18 23:14:30 +00:00
Evan Cheng de9e36a74e On Darwin, ams printer should output a second label before a jump table so the linker knows it's a new atom. But this is only needed if the jump table is put in a separate section from the function body. 
llvm-svn: 73720
 2009-06-18 20:37:15 +00:00