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24 Commits

Author SHA1 Message Date
David Goodwin
9843a93e83 Remove neonfp attribute and instead set default based on CPU string. Add -arm-use-neon-fp to override the default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83218 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-01 22:19:57 +00:00
David Goodwin
471850ab84 Restore the -post-RA-scheduler flag as an override for the target specification. Remove -mattr for setting PostRAScheduler enable and instead use CPU string. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83215 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-01 21:46:35 +00:00
David Goodwin
0dad89fa94 Remove -post-RA-schedule flag and add a TargetSubtarget method to enable post-register-allocation scheduling. By default it is off. For ARM, enable/disable with -mattr=+/-postrasched. Enable by default for cortex-a8. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83122 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-30 00:10:16 +00:00
Evan Cheng
63476a8040 Reference to hidden symbols do not have to go through non-lazy pointer in non-pic mode. rdar://7187172. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80904 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-03 07:04:02 +00:00
Evan Cheng
e4e4ed3b56 Let Darwin linker auto-synthesize stubs and lazy-pointers. This deletes a bunch of nasty code in ARM asm printer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80404 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-28 23:18:09 +00:00
Daniel Dunbar
e22f4da01d Remove some dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78219 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-05 18:12:37 +00:00
David Goodwin
42a83f2d15 Initial support for single-precision FP using NEON. Added "neonfp" attribute to enable. Added patterns for some binary FP operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78081 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-04 17:53:06 +00:00
Daniel Dunbar
3be03406c9 Normalize Subtarget constructors to take a target triple string instead of 
Module*.

Also, dropped uses of TargetMachine where unnecessary. The only target which
still takes a TargetMachine& is Mips, I would appreciate it if someone would
normalize this to match other targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77918 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-02 22:11:08 +00:00
Evan Cheng
b620724e61 Fix Thumb2 function call isel. Thumb1 and Thumb2 should share the same 
instructions for calls since BL and BLX are always 32-bit long and BX is always
16-bit long.

Also, we should be using BLX to call external function stubs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77756 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-01 00:16:10 +00:00
Bob Wilson
9170ab6685 Use thumb2 for ARM architectures V6T2 and later. Fix a bug in checking 
for "thumb" and add a check for V6T2.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73905 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-22 21:28:22 +00:00
Bob Wilson
54fc124d72 For Darwin on ARMv6 and newer, make register r9 available for use as a 
caller-saved register.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73901 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-22 21:01:46 +00:00
Evan Cheng
cd828618b8 Remove UseThumbBacktraces. Just check if subtarget is darwin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73734 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-18 23:14:30 +00:00
Anton Korobeynikov
0eebf653a7 The attached patches implement most of the ARM AAPCS-VFP hard float 
ABI. The missing piece is support for putting "homogeneous aggregates"
into registers.

Patch by Sandeep Patel!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73095 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-08 22:53:56 +00:00
Anton Korobeynikov
70459bef9c Implement review feedback. Make thumb2 'normal' subtarget feature 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72698 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-01 20:00:48 +00:00
Anton Korobeynikov
d4022c3fbb Add placeholder for thumb2 stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72593 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-29 23:41:08 +00:00
Anton Korobeynikov
6d7d2aa38a Add ARMv7 architecture, Cortex processors and different FPU modes handling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72337 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-23 19:51:43 +00:00
Anton Korobeynikov
41a024385f Propagate CPU string out of SubtargetFeatures 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72335 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-23 19:50:50 +00:00
Evan Cheng
8c6b991635 ARM target now also recognize triplets like thumbv6-apple-darwin and set thumb mode and arch subversion. Eventually thumb triplets will go way and replaced with function notes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66435 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 20:25:39 +00:00
Evan Cheng
4b1747430a Recognize triplets starting with armv5-, armv6- etc. And set the ARM arch version accordingly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66365 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-08 04:02:49 +00:00
Chris Lattner
4ee451de36 Remove attribution from file headers, per discussion on llvmdev. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45418 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-12-29 20:36:04 +00:00
Evan Cheng
04321f70f5 Added -march=thumb; removed -enable-thumb. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34521 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-23 03:14:31 +00:00
Lauro Ramos Venancio
3630e78db9 Add ABI information to ARM subtarget. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34245 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-13 19:52:28 +00:00
Evan Cheng
1a3771e30e Introduce TargetType's ELF and Darwin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33363 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-19 19:22:40 +00:00
Evan Cheng
a8e2989ece ARM backend contribution from Apple. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33353 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-19 07:51:42 +00:00