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369 Commits

Author SHA1 Message Date
Joel Dice
a1ec71423e Merge branch 'master' into powerpc 
Conflicts:

	makefile
	src/assembler.h
	src/binaryToMacho.cpp
	src/compile.cpp
	src/compiler.cpp
	src/x86.cpp
 2009-02-09 16:22:01 -07:00
Joel Dice
a1fc8a4dac add site to result in MemoryEvent::compile regardless of whether the result is live, since the memory location may be used as the target of a move and we need to keep the reference count of the base and index registers nonzero 2009-02-08 19:08:56 -07:00
Joel Dice
29616c4abc freeze target site when using temporary in maybeMove 2009-02-08 18:58:33 -07:00
Joel Dice
4ca45ffa41 fix two bugs concerning tracking available registers and reserving them when necessary 2009-02-08 16:20:28 -07:00
Joel Dice
0fbe89c147 set Value::high when appropriate in MyCompiler::initLocalsFromLogicalIp 2009-02-08 15:13:49 -07:00
Joel Dice
175ec1ff48 remove debug logging 2009-02-08 13:22:28 -07:00
Joel Dice
5066bfdabf tweak register and frame site allocation code to avoid failure in corner cases 2009-02-08 13:21:35 -07:00
Joel Dice
55d2ee1823 avoid clobbering values in sign-extension case of MoveEvent.compile 2009-02-02 19:13:02 -07:00
Joel Dice
123e22322c turn off debug logging 2009-02-01 16:21:55 -07:00
Joel Dice
2e3fd111d4 fix regressions on x86_64 2009-02-01 16:19:11 -07:00
Joel Dice
8b1801c465 various bugfixes involving multiword values 2009-02-01 16:10:56 -07:00
Joel Dice
11408dc2cd fix popIndex calculation in CallEvent ctor 2009-01-31 12:35:45 -07:00
Joel Dice
8b6319fbc8 assume stack grows towards negative addresses when loading and storing multiword locals 2009-01-31 12:05:06 -07:00
Joel Dice
a11d018dc2 fix assertion in MyCompiler::peek 2009-01-29 18:43:46 -07:00
Joel Dice
1c3504b62a fix various stack bugs 2009-01-29 18:36:19 -07:00
Joel Dice
565ece136b begin refactoring compiler.cpp to treat each word of a multiword value seperately 2009-01-25 15:03:38 -07:00
Joel Dice
034444db57 fix a couple of bugs handling multi-word values 2009-01-12 09:26:43 -07:00
Joel Dice
582e975a8a remove temporary debug code 2009-01-11 16:46:36 -07:00
Joel Dice
85ac9b9c71 revert overflow code in sitesToString since we now prune dead buddies from values 2009-01-11 16:46:22 -07:00
Joel Dice
05bd86e2ed use upper 32 bits of mask in pickRegisterTarget when picking register for high word; set Target::Impossible to 5 since 4 is a valid cost 2009-01-11 16:42:41 -07:00
Joel Dice
04bc58fd95 reorder code in MemorySite::release so we can use low->size before it is overwritten 2009-01-11 16:24:25 -07:00
Joel Dice
5a76277b84 remove dead buddies from values so they don't accumulate without bound; when resolving sites, avoid picking those which belong to other values; various bugfixes 2009-01-11 15:53:51 -07:00
Joel Dice
e3976e66d3 avoid using all registers when marshalling sites, since we need at least one register free for memory-to-memory moves; various bugfixes 2009-01-11 11:48:02 -07:00
Joel Dice
8459489212 avoid overflow in sitesToString 2009-01-04 15:58:05 -07:00
Joel Dice
c56f37197c marshal values at branches to avoid duplication of effort at junctions 2009-01-04 14:52:46 -07:00
Joel Dice
f4689093ee try harder to find an acceptable source site in resolveSourceJunctionSites 2009-01-04 13:35:09 -07:00
Joel Dice
ce1e161f52 allocate larger buffer for sitesToString 2009-01-04 12:38:31 -07:00
Joel Dice
095e6d7bc3 prefer unowned resources in resourceCost 2009-01-04 12:34:38 -07:00
Joel Dice
ded2ffe437 more compile.cpp refactoring 2009-01-03 18:17:51 -07:00
Joel Dice
ae24a6c18e continue refactoring compiler.cpp to simplify register and frame resource allocation 2009-01-03 14:34:45 -07:00
Joel Dice
7b546936d6 snapshot 2009-01-02 17:44:47 -07:00
Joel Dice
c678fb30a4 snapshot 2008-12-24 13:35:43 -07:00
Joel Dice
f96ee3ea73 handle p->value->reads == 0 case in visit 2008-12-22 18:25:00 -07:00
Joel Dice
897586aa76 clobber overlapping locals in storeLocal; move fallback code in trySteal to increase its applicability 2008-12-22 17:55:29 -07:00
Joel Dice
ac37941fa5 fix build error in previous commit 2008-12-21 18:14:24 -07:00
Joel Dice
c9bec0ce96 only steal sites recursively when all else fails in trySteal 2008-12-21 18:14:20 -07:00
Joel Dice
c78e76c747 temporarily reacquire source in releaseRegister 
This avoids a SEGV when freezing the register.
 2008-12-21 14:48:26 -07:00
Joel Dice
055ec4dd9f various fixes and cleanups concerning 64-bit values on 32-bit systems 2008-12-21 14:41:56 -07:00
Joel Dice
b23f7374e9 don't steal sites in pickJunctionSite 2008-12-20 17:45:52 -07:00
Joel Dice
b9b7ae4003 avoid clobbering first operand in CombineEvent.compile 2008-12-20 16:05:01 -07:00
Joel Dice
cf4e8e7ec2 various fixes for marshalling values among registers and frame sites 2008-12-20 14:55:45 -07:00
Joel Dice
75b3bf98ab pick only unfrozen frame sites in save 2008-12-20 11:13:58 -07:00
Joel Dice
a40ae85588 clear sites from dead value in removeBuddy 2008-12-15 18:21:01 -07:00
Joel Dice
8819d01522 only set Context::forfeitedSite if value is live 2008-12-15 17:42:32 -07:00
Joel Dice
39358e6652 update junction read based on liveness of local value on first visit to junction, not stub read value 2008-12-15 07:35:19 -07:00
Joel Dice
7f4bd51464 don't use trySteal when moving sites between buddies 2008-12-13 13:54:26 -07:00
Joel Dice
4717e94fa3 remove value buddies after setting sites to junction sites, not after populating junction sites 
This mirrors how snapshots are captured and restored for branch events.
Also, switch back to resolving junction sites before capturing fork
snapshots so we capture the true state of each value immediately before
the branch.
 2008-12-13 12:59:02 -07:00
Joel Dice
d50febe088 various control-flow related bugfixes 2008-12-11 18:09:36 -07:00
Joel Dice
d4363d250a mark and fix up absolute addresses in boot image code 2008-12-02 09:45:20 -07:00
Joel Dice
264779ed2a copy site if necessary to avoid chaining to another site in resolveJunctionSite 2008-11-25 19:23:47 -07:00
Joel Dice
58a9718d82 clean stack sites more aggressively after function calls to avoid GC bugs 2008-11-25 16:00:40 -07:00
Joel Dice
eea2225176 save locals to memory before executing any instruction which might trigger an exception if that instruction lies within an exception handler 2008-11-25 10:34:48 -07:00
Joel Dice
3d9e508e3e fix regression in last commit 2008-11-17 08:44:35 -07:00
Joel Dice
9aee242408 Merge branch 'powerpc' of oss:/var/local/git/avian into powerpc 
Conflicts:

	src/compiler.cpp
 2008-11-17 08:22:07 -07:00
Joel Dice
7ea5a4a64f avoid inifinite recursion in trySteal 2008-11-17 08:20:48 -07:00
Joel Dice
92a8a4d83b clean up subroutine code in wake of merge from master branch 2008-11-15 18:03:43 -07:00
Joel Dice
fb770d10fb implement jsr/ret support 
The Subroutine test won't pass due to a bug in the stack mapping code
such that objects may be missed during GC.
 2008-11-13 17:59:21 -07:00
Joel Dice
fae0ccfe96 fix unused parameter warnings 2008-11-11 18:09:45 -07:00
Joel Dice
6f5613ebd9 minor code cleanup in MoveEvent::compile 2008-11-11 17:48:21 -07:00
Joel Dice
191bfb6141 fix 4-to-8 byte sign extensions for ia32 and clean up MoveEvent; all tests now pass on ia32 2008-11-11 17:39:26 -07:00
Joel Dice
671fd1c0f9 set popIndex for stack arguments in CallEvent constructor 2008-11-11 11:56:23 -07:00
Joel Dice
c80eb51c17 Merge branch 'master' into powerpc 
Conflicts:

	makefile
	src/assembler.h
	src/compile.cpp
	src/compiler.cpp
	src/compiler.h
	src/finder.cpp
 2008-11-11 08:21:48 -07:00
Joel Dice
2304a656cf in releaseRegister, if the register is not the exclusive site of a value, steal it 2008-11-10 21:25:36 -07:00
Joel Dice
96a7c71c30 fix loading 8-byte values on 32-bit systems 2008-11-10 19:12:36 -07:00
Joel Dice
5fc9ad058b more bugfixes; all tests pass on amd64 2008-11-10 17:07:44 -07:00
Joel Dice
00d8142de9 various bugfixes; all but one test are passing on amd64 2008-11-09 16:56:37 -07:00
Joel Dice
000aeb25c1 handle case where first instruction is the target of a branch properly 2008-11-08 16:21:30 -07:00
Joel Dice
decd24965a implement multiplyCR and divideCR 2008-11-08 15:42:26 -07:00
Joel Dice
61539bae31 fix stack mapping bugs which broke GC 2008-11-08 15:36:38 -07:00
Joel Dice
312539af64 fix moves involving sign or zero extension 2008-11-08 13:47:26 -07:00
Joel Dice
f01f4441d9 various bugfixes and instructions implemented to get more tests passing 2008-11-06 17:39:38 -07:00
Joel Dice
1ba497d90a fix Exceptions test for amd64 2008-11-02 15:25:51 -07:00
Joel Dice
04da77e95b snapshot 2008-11-02 13:35:35 -07:00
Joel Dice
3e81405a33 snapshot 2008-11-01 16:16:18 -06:00
Joel Dice
dd4dc18916 snapshot 2008-11-01 13:14:13 -06:00
Joel Dice
6f1d02dae7 remove the libstdc++ dependency once and for all 
The trick is to make all destructors non-virtual.  This is safe because
we never use the delete operator, which is the only case where virtual
destructors are relevant.  This is a better solution than implementing
our own delete operator, because we want libraries loaded at runtime to
use the libstdc++ version, not ours.
 2008-10-28 15:40:50 -06:00
Joel Dice
d20ee74d79 fix stack frame offset calculations for 64-bit values; insert dummy events for instructions which start with stack activity 2008-10-24 20:12:02 -06:00
Joel Dice
7d6ca28b2f snapshot 2008-10-18 18:15:57 -06:00
Joel Dice
26614e2182 use same code to spill registers and stack frame slots 2008-10-16 18:10:35 -06:00
Joel Dice
5391c68efd bugfixes 2008-10-14 18:45:31 -06:00
Joel Dice
aaaf388652 fix handling of instructions which are targets of more than one conditional branch 2008-10-13 18:18:18 -06:00
Joel Dice
3c798f5bd7 various bugfixes concerning control flow boundaries 2008-10-11 18:23:08 -06:00
Joel Dice
81cb951b08 fix stack corruption due to spurious pop events generated for jsr bytecodes 2008-10-09 17:14:52 -06:00
Joel Dice
83d5d6fde4 avoid unnecessary moves in resolveJunctionSite; distinguish between branches and other events when deciding when to marshal values at junctions 2008-10-07 18:08:13 -06:00
Joel Dice
f6c4496166 various bugfixes 2008-10-05 18:50:59 -06:00
Joel Dice
adb63778f0 fix stack and local snapshots for DummyEvents 2008-10-04 18:14:43 -06:00
Joel Dice
83aa342bc8 hello, world on amd64 2008-10-04 11:26:35 -06:00
Joel Dice
df75153a85 handle case of null Stack::pushEvent in CallEvent ctor 2008-09-30 11:22:46 -06:00
Joel Dice
d409f89d5d ensure that only one value holds a given frame site at at time 2008-09-28 15:56:12 -06:00
Joel Dice
61c708d7b2 reserve stack space for arguments to native calls 2008-09-28 13:00:52 -06:00
Joel Dice
c699725cf8 avoid running out of registers when picking junction sites 2008-09-27 16:01:39 -06:00
Joel Dice
11c2afbf91 bugfixes 2008-09-24 18:48:32 -06:00
Joel Dice
f2bf152eba more bugfixes 2008-09-23 18:01:42 -06:00
Joel Dice
d4938115ef various bugfixes 2008-09-23 15:18:41 -06:00
Joel Dice
b8dd495ada fix build 2008-09-22 08:28:18 -06:00
Joel Dice
86bec5e3b7 sketch out handling of reads at control flow blocks with multiple predecessors 2008-09-21 18:58:54 -06:00
Joel Dice
1b4ad1db42 snapshot 2008-09-20 17:42:46 -06:00
Joel Dice
606e5cb238 lots of bugfixes - finally got Simple.pow() working 2008-09-14 20:28:42 -06:00
Joel Dice
bd9e8a77e2 improved tracking of data flow across control flow boundaries 2008-09-13 15:09:26 -06:00
Joel Dice
392a1417e5 lots of bugfixes and a few instructions added 2008-09-08 18:31:19 -06:00
Joel Dice
dcdf78dc44 fix localOffset calculation 2008-09-07 20:21:11 -06:00
Joel Dice
af9758a6d3 got a simple arithmetic test working 2008-09-07 14:12:11 -06:00
Joel Dice
9971eaa92a support out-of-order compilation in x86 assembler 2008-09-06 19:37:12 -06:00
Joel Dice
ed806ca740 working towards compiling simple methods 2008-09-06 15:25:41 -06:00
Joel Dice
e13b755048 more progress towards new JIT code - this compiles but won't run properly 2008-09-05 09:00:38 -06:00
Joel Dice
5f7d68b404 snapshot 2008-08-30 14:12:27 -06:00
Joel Dice
767c3ce2e4 snapshot 2008-08-28 16:43:35 -06:00
Joel Dice
a062d8c975 progress towards refactored JIT compiler to support PowerPC and data flow analysis across control flow boundaries 2008-08-23 12:04:36 -06:00
Joel Dice
9efe6f1f05 snapshot 2008-08-16 11:45:36 -06:00
Joel Dice
29df431df5 snapshot 2008-07-23 17:58:29 -06:00
Joel Dice
f0c9deaa06 snapshot 2008-07-17 17:34:38 -06:00
Joel Dice
23043d140f snapshot 2008-07-05 14:21:13 -06:00
Joel Dice
eabb37e6eb add lcmp instruction to Compiler and corresponding LongCompare instruction to Assembler, since that's the only efficient way to implement the lcmp bytecode on x86 2008-06-12 10:56:48 -06:00
Joel Dice
94f7efc160 ignore contents of stack location in popNow if the value already resides elsewhere besides the stack 2008-06-11 08:47:06 -06:00
Joel Dice
633ef83fa1 fix handling of values which appear more than once on the stack in trySteal 2008-06-10 18:48:46 -06:00
Joel Dice
b80a3cea85 handle constant comparisons (sometimes generated by ProGuard) in compiler 2008-06-10 18:17:44 -06:00
Joel Dice
fc8c5a2ea9 fix a few bugs revealed by ProGuard optimizations, including too-early constant propagation during array loads and stores 2008-06-10 08:49:13 -06:00
Eric Scharff
33306aa2f5 Fix warning on confused Mac OS X gcc 4.0 2008-06-02 10:12:09 -06:00
Joel Dice
2f3e1ea393 fix incorrect debug logging message 2008-05-31 19:40:18 -06:00
Joel Dice
7cdff9f1ee disable debug logging and fix build warnings 2008-05-31 17:06:45 -06:00
Joel Dice
eacca98c3f fix regressions affecting 32-bit systems 2008-05-31 16:53:37 -06:00
Joel Dice
e68a18248c use codePromise helper function in CallEvent ctor 2008-05-31 16:24:04 -06:00
Joel Dice
65830a76c5 improve efficiency of array bounds checks and generate a thunk table for native functions called indirectly 2008-05-31 16:14:27 -06:00
Joel Dice
3326aafdac various 32-bit fixes 2008-05-22 11:15:18 -06:00
Joel Dice
21cb1c3c8f remove Event::validate, since it is no longer needed and actually causes trouble 2008-05-20 16:47:53 -06:00
Joel Dice
36dbf1ad14 fix another local variable caching bug 2008-05-20 15:24:10 -06:00
Joel Dice
d604efd8f5 fix local variable caching bug 2008-05-20 13:11:42 -06:00
Joel Dice
983e64c86a preserve old value of local variable *before* it is overwritten 2008-05-19 10:14:54 -06:00
Joel Dice
83da1ec205 preserve old value of local variable across store if it will be used later; tweak site ownership transfer in MoveEvent.compile 2008-05-19 08:53:40 -06:00
Joel Dice
08a1921eb7 only set target equal to src->source in MoveEvent.compile if it is a simple load or store 2008-05-19 07:44:39 -06:00
Joel Dice
b52cefa86e disallow memory operands in 32-bit comparisons on amd64 2008-05-19 07:27:05 -06:00
Joel Dice
3c30e815ec optimize multiple loads from the same local variable 2008-05-18 22:31:52 -06:00
Joel Dice
b6b84af123 various bugfixes 2008-05-17 21:32:14 -06:00
Joel Dice
2bb310981d clean up MoveEvent.compile 2008-05-17 19:26:36 -06:00
Joel Dice
85a772b0a7 add read of size 4 in CombineEvent for first operand of shift operation 2008-05-16 10:18:36 -06:00
Joel Dice
790e2fee42 respect constraints specified by Assembler::plan in MoveEvent::compile 2008-05-16 10:01:24 -06:00
Joel Dice
21c5eb2d9e fix thinko in appendCombine 2008-05-15 18:35:17 -06:00
Joel Dice
7f72a6469d more register marshalling bugfixes; simple swt apps now run on amd64 2008-05-15 17:19:23 -06:00
Joel Dice
bbd1ee5540 various register marshalling bugfixes 2008-05-15 14:00:57 -06:00
Joel Dice
2ed6247cec fix freezing and thawing of read sites where the same value is read multiple times in compile() 2008-05-15 08:29:19 -06:00
Joel Dice
505d6df7ae reorder code in CallEvent ctor to ensure we don't clobber argument registers when it comes time to marshal values for reading 2008-05-14 18:04:25 -06:00
Joel Dice
73b8cc5595 fix unused variable warnings 2008-05-14 17:19:41 -06:00
Joel Dice
482065f91a fix code ordering bug in popNow() 2008-05-14 16:36:22 -06:00
Joel Dice
08beaad1b6 various bugfixes related to new register allocation code 2008-05-13 11:27:57 -06:00
Joel Dice
a40635fdba rework register allocation to be more flexible 2008-05-12 07:54:47 -06:00
Joel Dice
f1809897bd fix build 2008-05-06 15:13:02 -06:00
Joel Dice
efb30b2256 progress towards more flexible register allocation in compiler 2008-05-04 14:55:34 -06:00
Joel Dice
e2b24263a2 various bugfixes 2008-04-30 09:44:17 -06:00
Joel Dice
3909e3f032 fix thinko concerning stack resets in compile() 2008-04-29 17:18:28 -06:00
Joel Dice
3fa3fd0796 fix stack index calculation when pushing operands 2008-04-29 14:24:08 -06:00