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Commit Graph

28 Commits

Author SHA1 Message Date
David Goodwin
6b56e77397 Add ARMv6 itineraries.
llvm-svn: 89218
2009-11-18 18:39:57 +00:00
Anton Korobeynikov
3ba3789153 Use NEON reg-reg moves, where profitable. This reduces "domain-cross" stalls, when we used to mix vfp and neon code (the former were used for reg-reg moves)
llvm-svn: 85764
2009-11-02 00:10:38 +00:00
David Goodwin
a4b73e486e Remove neonfp attribute and instead set default based on CPU string. Add -arm-use-neon-fp to override the default.
llvm-svn: 83218
2009-10-01 22:19:57 +00:00
David Goodwin
d0edce4c0d Restore the -post-RA-scheduler flag as an override for the target specification. Remove -mattr for setting PostRAScheduler enable and instead use CPU string.
llvm-svn: 83215
2009-10-01 21:46:35 +00:00
David Goodwin
a282690f82 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.
llvm-svn: 83122
2009-09-30 00:10:16 +00:00
David Goodwin
1d72b88015 Checkpoint NEON scheduling itineraries.
llvm-svn: 82657
2009-09-23 21:38:08 +00:00
David Goodwin
2686178489 Allow a zero cycle stage to reserve/require a FU without advancing the cycle counter.
llvm-svn: 78736
2009-08-11 22:38:43 +00:00
David Goodwin
c0fe95d8ce Make NEON single-precision FP support the default for cortex-a8 (again).
llvm-svn: 78430
2009-08-07 23:32:33 +00:00
David Goodwin
9013115518 Disable NEON single-precision FP support for Cortex-A8, for now...
llvm-svn: 78209
2009-08-05 16:40:57 +00:00
David Goodwin
47064aa1c6 By default, for cortex-a8 use NEON for single-precision FP.
llvm-svn: 78200
2009-08-05 16:01:19 +00:00
David Goodwin
99adffe5f2 Initial support for single-precision FP using NEON. Added "neonfp" attribute to enable. Added patterns for some binary FP operations.
llvm-svn: 78081
2009-08-04 17:53:06 +00:00
Evan Cheng
66f1d7a0e1 Add fake v7 itineraries for now.
llvm-svn: 76612
2009-07-21 18:54:14 +00:00
Evan Cheng
18d70ca551 Add a Thumb2 instruction flag to that indicates whether the instruction can be transformed to 16-bit variant.
llvm-svn: 74988
2009-07-08 01:46:35 +00:00
Evan Cheng
f671ce4eba 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
Anton Korobeynikov
52b2898854 Separate V6 from V6T2 since the latter has some extra nice instructions
llvm-svn: 73085
2009-06-08 21:20:36 +00:00
Anton Korobeynikov
4f5b1ef545 Add placeholder for thumb2 stuff
llvm-svn: 72593
2009-05-29 23:41:08 +00:00
Anton Korobeynikov
1fe3d6d47b Add ARMv7 architecture, Cortex processors and different FPU modes handling.
llvm-svn: 72337
2009-05-23 19:51:43 +00:00
Bob Wilson
b8756b00cd Use CallConvLower.h and TableGen descriptions of the calling conventions
for ARM.  Patch by Sandeep Patel.

llvm-svn: 69371
2009-04-17 19:07:39 +00:00
Evan Cheng
a19ef59d6c Move target independent td files from lib/Target/ to include/llvm/Target so they can be distributed along with the header files.
llvm-svn: 59953
2008-11-24 07:34:46 +00:00
Evan Cheng
aa24d19533 Remove opcode from instruction TS flags; add MOVCC support; fix addrmode3 encoding bug.
llvm-svn: 58800
2008-11-06 08:47:38 +00:00
Evan Cheng
9970c31dcf Restructure ARM code emitter to use instruction formats instead of addressing modes to determine how to encode instructions.
llvm-svn: 58764
2008-11-05 18:35:52 +00:00
Chris Lattner
ad9a6ccb83 Remove attribution from file headers, per discussion on llvmdev.
llvm-svn: 45418
2007-12-29 20:36:04 +00:00
Evan Cheng
8c896cc115 Initial JIT support for ARM by Raul Fernandes Herbster.
llvm-svn: 40887
2007-08-07 01:37:15 +00:00
Lauro Ramos Venancio
4e4a4e36dd Add a processor.
llvm-svn: 36765
2007-05-04 22:16:30 +00:00
Evan Cheng
c6e1d453d3 ARM backend contribution from Apple.
llvm-svn: 33353
2007-01-19 07:51:42 +00:00
Evan Cheng
667b133ab9 getCalleeSaveRegs and getCalleeSaveRegClasses are no long TableGen'd.
llvm-svn: 28378
2006-05-18 00:12:58 +00:00
Evan Cheng
ea24815aa3 Remove PointerType from class Target
llvm-svn: 28368
2006-05-17 21:20:27 +00:00
Rafael Espindola
dd49dfc0df added a skeleton of the ARM backend
llvm-svn: 28301
2006-05-14 22:18:28 +00:00