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34 Commits

Author SHA1 Message Date
fschneider@google.com cfab482b84 Follow-up fix to my change to IsPowerOfTwo: Alignment of one means no alignment, not zero. 
We assert that the alignment is a power of two. Therefore, platforms that do not need 
alignment should return alignment of one instead of zero.

R=kmillikin@google.com

Review URL: https://codereview.chromium.org//23745008

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@27037 260f80e4-7a28-3924-810f-c04153c831b5
 2013-09-03 10:56:43 +00:00
regis@google.com 8171570100 Fix the previously ineffective assert checking the number of arguments passed to 
a runtime entry in the VM.

R=asiva@google.com

Review URL: https://codereview.chromium.org//23672011

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@26826 260f80e4-7a28-3924-810f-c04153c831b5
 2013-08-28 23:07:14 +00:00
zra@google.com 5c3c549300 Allows compiler bailout to handle errors of any type. 
R=asiva@google.com, iposva@google.com

Review URL: https://codereview.chromium.org//22389004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@25974 260f80e4-7a28-3924-810f-c04153c831b5
 2013-08-09 19:51:11 +00:00
zra@google.com fa2ad38a31 Enables per-function far-branches for ARM and MIPS. 
R=regis@google.com, srdjan@google.com

Review URL: https://codereview.chromium.org//21363003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@25723 260f80e4-7a28-3924-810f-c04153c831b5
 2013-08-01 20:51:46 +00:00
zra@google.com 42217dc159 Implements far-branches on ARM. 
R=regis@google.com

Review URL: https://codereview.chromium.org//21159002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@25617 260f80e4-7a28-3924-810f-c04153c831b5
 2013-07-30 15:33:36 +00:00
zra@google.com dad3270d95 Implements far branch targets for MIPS. 
This change adds a flag --mips-far-branches, which when set causes
relative branches to be converted to absolute branches by determining
the PC, adding the branch offset to it, and using the jr or jalr
instruction to jump if the branch test passes.

This procedure clobbers the assembler temporary TMP, so TMP can no
longer be used in a branch test or in the branch delay slot of a
relative branch. Because TMP can't be used in a branch test, a
new temporary is introduced CMPRES2. This change replaces TMP with
CMPRES1 or another register where TMP can no longer be used.

Tests that were failing due to a too-far relative have the
--mips-far-branches flag set.

R=regis@google.com

Review URL: https://codereview.chromium.org//20369003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@25543 260f80e4-7a28-3924-810f-c04153c831b5
 2013-07-26 23:30:32 +00:00
zra@google.com 20dcf8afaa Implements OSR for arm and mips. 
R=regis@google.com

Review URL: https://codereview.chromium.org//19017007

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@24896 260f80e4-7a28-3924-810f-c04153c831b5
 2013-07-10 23:45:18 +00:00
regis@google.com 169bc2f989 Fix code for store buffer update on ARM and MIPS (link register was trashed). 
R=zra@google.com

Review URL: https://codereview.chromium.org//17868006

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@24493 260f80e4-7a28-3924-810f-c04153c831b5
 2013-06-26 22:14:42 +00:00
regis@google.com 5ffa56b798 Fix and simplify invocation of noSuchMethod on all platforms after the wrong 
number (or bad name) of arguments is passed.
The frame of the wrong method (the one invoked with the wrong number or name of
arguments) is not left on the stack and therefore not visible in the stack trace
anymore, which is much cleaner, especially since the leftover frame was not
fully initialized.
This change was already done on ARM.

R=zra@google.com

Review URL: https://codereview.chromium.org//17857008

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@24485 260f80e4-7a28-3924-810f-c04153c831b5
 2013-06-26 19:58:49 +00:00
zra@google.com 4a99fabecb Enables language tests for SIMMIPS. 
R=regis@google.com

Review URL: https://codereview.chromium.org//17131002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@24098 260f80e4-7a28-3924-810f-c04153c831b5
 2013-06-17 15:58:31 +00:00
zra@google.com c004b84376 Enables more VM tests for SIMMIPS. 
Implements:
- Megamorphic instance calls
- Left-shift
- Equality
- and various bug-fixes.

R=regis@google.com

Review URL: https://codereview.chromium.org//15934025

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@23877 260f80e4-7a28-3924-810f-c04153c831b5
 2013-06-11 20:08:40 +00:00
zra@google.com e846af4128 Implements intrinsics for MIPS. 
Also, adds the MADD, MADDU, MTLO, MTHI instructions
to the MIPS simulator, assembler, and disassembler.

R=regis@google.com

Review URL: https://codereview.chromium.org//16272004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@23489 260f80e4-7a28-3924-810f-c04153c831b5
 2013-05-31 21:03:41 +00:00
zra@google.com e6cf04a8bb Changes to run "Hello, world!" on MIPS hardware. 
R=regis@google.com

Review URL: https://codereview.chromium.org//16160013

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@23484 260f80e4-7a28-3924-810f-c04153c831b5
 2013-05-31 18:41:41 +00:00
zra@google.com 354b204cf0 Enables optimization on MIPS 
- Exposes double precision rather than single precision floating point registers
  to architecture generic code. This entails a mechanical change in the assembler
  to floating point instructions.
- Adds slti, sltiu instructions for comparison with small immediates, and uses
  them in the Branch(Un)Signed* macros.
- Fixes a bug in the intermediate language comparison/branching instructions
  caused by using subu for comparison. Now it uses two slt instructions.
- Fixes register use bugs in intermediate language.
- More uses of NULLREG instead of loading Object::null()

R=regis@google.com

Review URL: https://codereview.chromium.org//16022011

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@23190 260f80e4-7a28-3924-810f-c04153c831b5
 2013-05-24 23:45:41 +00:00
zra@google.com 3c10f6b796 On MIPS, keeps Object::null() in a register. 
On MIPS, we have a lot of registers, and we don't use very many of them.
This change removes the second temporary register TMP2, and instead
dedicates a register to holding Object::null(), which is used frequently
for comparisons, etc..

Also, uses branch delay slot when leaving a dart frame and returning.

R=regis@google.com

Review URL: https://codereview.chromium.org//14854010

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@22331 260f80e4-7a28-3924-810f-c04153c831b5
 2013-05-02 17:53:34 +00:00
zra@google.com aa2dd0acf7 On MIPS, uses more branch delay slots. 
Also, tries to reorganize loops to look like what gcc produces.

R=regis@google.com

Review URL: https://codereview.chromium.org//14733002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@22262 260f80e4-7a28-3924-810f-c04153c831b5
 2013-05-01 16:56:31 +00:00
zra@google.com 09f3f2537e Uses slt and sltu for signed vs. unsigned comparison by the MIPS assembler. 
Previously, the sequence subu/b{gt,le,...}z was used, which fails to
distinguish between signed and unsigned comparison.

R=regis@google.com

Review URL: https://codereview.chromium.org//14556002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@22159 260f80e4-7a28-3924-810f-c04153c831b5
 2013-04-30 00:35:09 +00:00
zra@google.com a49ab3a890 Adds support for debugger API on MIPS. 
Enable debugger api tests on MIPS.
Enable isolate tests on MIPS.
Enable code descriptors tests on MIPS.
Enable snapshot tests on MIPS.
Enable heap tests on MIPS.

Review URL: https://codereview.chromium.org//14284020

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@22042 260f80e4-7a28-3924-810f-c04153c831b5
 2013-04-25 18:03:15 +00:00
zra@google.com 069456803e Implements features to run "Hello, world!" on simulated MIPS. 
Review URL: https://codereview.chromium.org//14246039

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@21759 260f80e4-7a28-3924-810f-c04153c831b5
 2013-04-19 18:31:47 +00:00
regis@google.com d79c7c1969 Implement long jump in ARM and MIPS simulators. 
Implement error and exception handler stubs on ARM.
Hook up simulator for object tests.
Enable codegen and object tests on ARM.

Review URL: https://codereview.chromium.org//14309004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@21680 260f80e4-7a28-3924-810f-c04153c831b5
 2013-04-18 16:23:25 +00:00
zra@google.com 64d10ad4e4 Implements write barrier on MIPS. 
Review URL: https://codereview.chromium.org//13925024

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@21532 260f80e4-7a28-3924-810f-c04153c831b5
 2013-04-16 00:25:03 +00:00
zra@google.com e8f86c5d3a Adds support for UseDartApi vm test on MIPS. 
Also, adds:
- xori instruction,
- SubuDetectOverflow (like AdduDetectOverflow).
Review URL: https://codereview.chromium.org//13884017

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@21396 260f80e4-7a28-3924-810f-c04153c831b5
 2013-04-12 22:20:32 +00:00
zra@google.com 2c5cea8d4e Supports FrameLookup vm test on MIPS 
As with the similar CL for ARM, also:
- Supports inline allocation of objects.
- Supports checking of inline cache and instance calls.
- Supports subtype test cache.
- Supports (some) equality checks.
- Supports for (some) conditional branches.
- Supports for pool pointer setup in stubs.
Review URL: https://codereview.chromium.org//14076005

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@21233 260f80e4-7a28-3924-810f-c04153c831b5
 2013-04-10 21:59:57 +00:00
zra@google.com cae56d75ed Introduces a second temporary register for MIPS assembler macros. 
- Also, adds macros for comparisons followed by branches, and uses them.
Review URL: https://codereview.chromium.org//13483018

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@21118 260f80e4-7a28-3924-810f-c04153c831b5
 2013-04-08 22:04:27 +00:00
zra@google.com d5be052e40 Adds macros to the MIPS assembler for detecting overflow. 
Review URL: https://codereview.chromium.org//13722022

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@21085 260f80e4-7a28-3924-810f-c04153c831b5
 2013-04-08 16:51:12 +00:00
zra@google.com 0cc80971fb Implements type checking in MIPS needed for FindCodeObject test. 
Review URL: https://codereview.chromium.org//13619008

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@20932 260f80e4-7a28-3924-810f-c04153c831b5
 2013-04-04 17:55:06 +00:00
zra@google.com c4b55c1276 Third codegen test passing for simulated MIPS. 
Review URL: https://codereview.chromium.org//13407003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@20794 260f80e4-7a28-3924-810f-c04153c831b5
 2013-04-02 16:40:14 +00:00
zra@google.com 35aeebcd8c First two codegen tests passing on SIMMIPS 
Review URL: https://codereview.chromium.org//13228002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@20734 260f80e4-7a28-3924-810f-c04153c831b5
 2013-04-01 17:02:44 +00:00
zra@google.com 2125ee9a37 Simplifies MIPS LoadWordFromPoolOffset 
Review URL: https://codereview.chromium.org//13094015

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@20539 260f80e4-7a28-3924-810f-c04153c831b5
 2013-03-26 20:27:31 +00:00
zra@google.com 463b651f78 Adds Stop to MIPS. Starts on MIPS call patcher. 
Review URL: https://codereview.chromium.org//12703028

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@20527 260f80e4-7a28-3924-810f-c04153c831b5
 2013-03-26 17:50:43 +00:00
zra@google.com 007c830756 Adds branch instructions and labels to the MIPS simulator, assembler, disassembler. 
Review URL: https://codereview.chromium.org//12634030

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@20419 260f80e4-7a28-3924-810f-c04153c831b5
 2013-03-22 21:37:10 +00:00
iposva@google.com f507e542de - Add a skeleton MIPS assembler, disassembler and simulator. 
- Remove unused fields and methods from ARM simulator.
- Remove unused 5th parameter from Simulator::Call.
Review URL: https://codereview.chromium.org//12541003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@19606 260f80e4-7a28-3924-810f-c04153c831b5
 2013-03-07 11:04:27 +00:00
regis@google.com 4ac3d21c08 Initial revision of ARM assembler. 
Object references and calls, as well as their fixups, are still unimplemented.
Review URL: https://codereview.chromium.org//12090034

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@17775 260f80e4-7a28-3924-810f-c04153c831b5
 2013-01-29 16:46:10 +00:00
regis@google.com 1d0e4dd389 Add mips skeleton sources. 
Review URL: https://codereview.chromium.org//11926022

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@17320 260f80e4-7a28-3924-810f-c04153c831b5
 2013-01-18 21:44:58 +00:00