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127df225b6
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212 Commits

Author SHA1 Message Date
Edwin Smith
127df225b6 Whitespace hygene (r=me) 
--HG--
extra : convert_revision : f5f333d75636ed9e4c7869bdcf6aaa69beb35a2e
 2010-01-07 13:05:33 -05:00
Steven Johnson
9efa35156a Add NJ_USES_QUAD_CONSTANTS mode (and i386 implementation) to allow for faster float constants on CPUs without useful 64-bit immediates. Instead of allocating stack space for the constants (and filling them in via move-immediates), allocate data space for them and embed literal pointers into the code stream. (r=edwsmith, r=nnethercote, bug=533546) 
--HG--
extra : convert_revision : 42048199209f5614ee62adaa25cc6bf75821911a
 2010-01-05 15:28:40 -08:00
Nicholas Nethercote
1022818501 Bug 520714 - nanojit: distinguish 64-bit int and float loads/stores. r=gal,rreitmai. 
--HG--
extra : convert_revision : a19809f7ba60b4381b77b84363bebf0ff7cf9629
 2010-01-05 14:03:49 +11:00
Nicholas Nethercote
af8581791c Bug 536098 - nanojit: speed up intersectRegisterState(). r=edwsmith. 
--HG--
extra : convert_revision : 12013e9b8fab0168bc26e2e04fe9779e5aed2559
 2009-12-22 19:47:17 -08:00
Steven Johnson
147c31c411 speed up AR::validate (r=nnethercote,bug=473769) 
--HG--
extra : convert_revision : 0ff411e99654f590121e90a93345257b14442721
 2009-12-22 17:32:49 -08:00
Steven Johnson
12ce52af94 AR::freeEntryAt could underrun the _entries array, leading to crashiness (r=rreitmai,bug=536378) 
--HG--
extra : convert_revision : 6937b91b3b20430521eb476adba4f124beaac216
 2009-12-22 16:59:36 -08:00
Nicholas Nethercote
1c0554f24b Bug 524640 - nanojit: avoid calling releaseRegisters() twice. r=gal. 
--HG--
extra : convert_revision : 5af925a7a5ceae6ab8bb9219585bfacccdf56ef0
 2009-12-22 21:37:49 +11:00
Edwin Smith
245eaeb9f7 Whitespace hygene (r=me) 
--HG--
extra : convert_revision : b7a4852a92d3ceb74592c1da0e1cd0beace84eb5
 2009-12-21 15:05:48 -05:00
Steven Johnson
4015262424 Increase NJ_MAX_STACK_ENTRY on desktop systems, revise search algo in AR (r=nnethercote,r=edwsmith,bug=473769) 
--HG--
extra : convert_revision : 0a12bb3f8436feac1814bfdd25dde1afcd050c0a
 2009-12-21 12:03:59 -08:00
Steven Johnson
360031a709 fix windows build breakage 
--HG--
extra : convert_revision : e4bce7ea53c77d9bec640d68c98c917909538fe3
 2009-12-21 11:03:02 -08:00
Steven Johnson
f6bd527266 Encapsulate AR structure (r=nnethercote,bug=473769) 
--HG--
extra : convert_revision : a2bdfa990384135e642f027d79dd7c01c48e8994
 2009-12-21 10:51:57 -08:00
Nicholas Nethercote
0a83128602 Bug 516347 - nanojit: avoid premature regalloc state updates in the i386 backend. r=edwsmith,dvander. 
--HG--
extra : convert_revision : e7b2c0d805eb61ca0ead9402f8a01f6bb85de29f
 2009-12-18 12:39:16 +11:00
Nicholas Nethercote
387808d7b9 Bug 527178 - NJ: all our efforts at handling valid displacements are defeated (take 2a). r=graydon,gal. 
--HG--
extra : convert_revision : c2be4b89e09d6dd1b8c83b14240d00d57c084419
 2009-12-18 08:24:39 +11:00
Nicholas Nethercote
d0b6417b4c Backed out changeset 2bd8a736808d, caused ARM bustage. 
--HG--
extra : convert_revision : 7fd3a1258dbf608d4c62862029d1a30317f7b9e5
 2009-12-15 13:16:54 +11:00
Nicholas Nethercote
84f5fd65b2 Bug 527178 - NJ: all our efforts at handling valid displacements are defeated (take 2). r=graydon,gal. 
--HG--
extra : convert_revision : 2bd8a736808d4a2582233d05832f11899ccc2fd7
 2009-12-15 12:54:26 +11:00
Nicholas Nethercote
2c6fd78104 Bug 504507 - nanojit: kill LIR64 (NJ-only part). r=gal. 
--HG--
extra : convert_revision : 2271d9cb2d87970d20befb51dbc7092c830a4e10
 2009-12-09 15:49:15 -08:00
Nicholas Nethercote
51c20028df Bug 533233 - nanojit: get rid of LC_NoCodeAddrs. r=edwsmith. 
--HG--
extra : convert_revision : 5edcef2131dfd0f521b306aee9a40a51b487efb9
 2009-12-08 07:57:17 -08:00
Nicholas Nethercote
a4408cec60 Bug 531347 - nanojit: rejig asm_call(). r=edwsmith. 
--HG--
extra : convert_revision : 1c68f440a757a8cb002c8da9118d034a9c7d4fab
 2009-12-01 18:50:07 -08:00
Steven Johnson
4732e1b682 nanojit/Assembler.cpp: when LIR_stqi calls asm_store32 twice, pass LIR_sti for the opcode, rather than op. (r=me) 
--HG--
extra : convert_revision : 0da91726eca5ccbfed98d340e428d3303d5708f0
 2009-12-01 17:40:25 -08:00
Steven Johnson
45a6270f4c Add new opcodes to allow load/store of 8-bit int, 16-bit int, and 32-bit floats. Initially implemented only for i386, other backend implementations to follow. See https://bugzilla.mozilla.org/show_bug.cgi?id=527083 for more detail. (r=rreitmai, nnethercote) 
--HG--
extra : convert_revision : 7c5395e67078266797de2e2de6555974ee61acf7
 2009-12-01 16:50:03 -08:00
Nicholas Nethercote
dfc1dd039d Bug 515313 - nanojit: finish killing reservations. r=edwsmith. 
--HG--
extra : convert_revision : 1b6cb808f3048c25857613fa6e77e865fee51d8e
 2009-11-24 23:00:23 -08:00
Nicholas Nethercote
a603d864d1 Bug 512181 - nanojit: rework TMFLAGS=assembly,regalloc,activation. r=edwsmith. 
--HG--
extra : convert_revision : 43e64a1135f17761aad95ee7ce2d1692aa937579
 2009-11-24 22:38:51 -08:00
Nicholas Nethercote
b33368aede Bug 525379 - nanojit: make the _nIns/_nExitIns swap hack more consistent. r=edwsmith. 
--HG--
extra : convert_revision : bad9394918255f4afcbff259153dc9d8c9afad25
 2009-11-24 14:56:33 +11:00
Nicholas Nethercote
348df1cdbf Bug 529725 - nanojit: improve asm_prep_fcall() in i386 and Sparc backends. r=rreitmai. 
--HG--
extra : convert_revision : 30767eb970427b1044fae5db99c2427f57e576fe
 2009-11-23 11:04:59 +11:00
Julian Seward
937420dbec Bug 520905 - collapse callee saved register spills/reloads into LDMIA/STMIA instructions, r=vlad. 
--HG--
extra : convert_revision : 73952814a07755be92fba1060efc97d5010b38c9
 2009-11-20 10:11:33 -08:00
Edwin Smith
c75cfaf023 Fix PPC bustage (bug 513863, r=me) 
--HG--
extra : convert_revision : 606f3e6e99b02907d3c983dd37aa7e011a7fa43e
 2009-11-18 13:42:08 -05:00
Nicholas Nethercote
e26daf15b9 Bug 513863 - nanojit: refactor registerAlloc(). r=rreitmai. 
--HG--
extra : convert_revision : 6b7cffb8984f821980d38d4c9ccd31f8bdd3e363
 2009-11-18 12:27:57 +11:00
Edwin Smith
b39acdae73 Fix several underrunProtect bugs in X64 backend (bug 529219 r=edwsmith+) 
I'm pushing this on behalf of nnethercote since tamarin had one additional
regression failure that this patch fixes.  Comments from the bug:

Bug 520712 introduced some underrunProtect() problems in the X64 backend.  A
follow-up patch fixed one of them, but there are several remaining.  This patch
fixes all of them, AFAICT, and commons out some code in the process hopefully
making things less error-prone.  (It also fixes a printf-style compile
warning.)

I tested this by reducing the size of chunks allocated by codeAlloc to only 128
bytes.  After doing that, without this patch, Tracemonkey was fairly crashy and
Tamarin was totally crashy;  with the patch both were fine, albeit slower than
usual.  (I tried 64 bytes as well but got assertions in the code allocator,
that seems to be Just Too Small.)

--HG--
extra : convert_revision : 7972be6204883c0ba472fe8caaa08f0b08660e72
 2009-11-17 14:34:43 -05:00
Edwin Smith
d7a89e77b5 Add LIR_jtbl instruction, and patch up lirasm to remove LIR_ji (bug 465582 r=nnethercote+, rreitmai+) 
new opcode: LIR_jtbl.  jtbl takes a uint32_t index and a table of label
references (LIns**), representing a jump to one of the labels.

the index must be in range (range checking is not included in the opcode).

the table is allocated in memory at least as long lived as the LIR; this is
accomplished by doing the allocation from the same Allocator used by LirBuffer.

In the x86 backend, this is implemented with a simple jmp [R*4+ADDR] where ADDR
is the address of the table.  I added a new dataAllocator (Allocator&)
parameter to Assembler, which is used for allocating data along with code (data
& code have same lifetime).  The x86 backend allocates the final table of
addresses from this allocator and embeds the pointer to the table in code.

In other backends more than one instruction must be used due to limited range
of the constant part of the addressing mode (ppc, arm), or non-support for
full-range pc-relative indexing (x64, ppc64).

Anyone generating LIR code for use with LIR_jtbl must also generate a
LIR_regfence instruction after each label reachable by a forwards edge
from LIR_jtbl.  This is to workaround the register allocator's inability
to merge register states between 2 or more pre-existing targets.  LIR_regfence
is not required for backwards edges.

--HG--
extra : convert_revision : ee709eaaa30f720f77ab863ba4c9e6d10d69982b
 2009-11-11 14:38:12 -05:00
Graydon Hoare
53519f8859 Bug 527178 - Improve valid-displacement checks, r=edwsmith, r=dvander. 
--HG--
extra : rebase_source : b95743173b293bd4a2a54b37124d4e85cb16d425
extra : convert_revision : eadf0b1a3fd0bd28303b12b905eb94a09a2ade1b
 2009-11-10 14:55:35 -08:00
Nicholas Nethercote
dd4a2ec015 Bug 512634 - nanojit: identify RegAlloc invariants. r=edwsmith. 
--HG--
extra : convert_revision : 2d5d94694fceca54934270a518a5b341ce13b2d0
 2009-11-05 11:56:48 +11:00
Nicholas Nethercote
d97e5c6a9e Bug 516348 - nanojit: add findSpecificRegForUnallocated(). r=edwsmith. 
--HG--
extra : convert_revision : 0e40a8977b80a96f9233488878589afcdfc8d800
 2009-11-04 14:45:29 +11:00
Graydon Hoare
9d9ae9f4a1 Bug 525293 - Cumulative remainder of changes from tamarin, r=dvander. 2009-10-29 12:29:28 -07:00
Graydon Hoare
a87bf773fa Bug 524587 - remove softfloat guards, restore CodeAlloc ref-ptr, r=gal. 
--HG--
extra : rebase_source : b7bca87acdd97bf8f0598c6069f7094a16488eb8
 2009-10-27 15:24:12 -07:00
Graydon Hoare
108c884253 Bug 522591 - move reader pipeline from assemble() to compile(), r=gal. 2009-10-23 14:58:10 -07:00
Graydon Hoare
344543af05 Bug 523766 - move jump tables to allocator, r=gal. 2009-10-21 19:50:35 -07:00
Graydon Hoare
399e52afa4 Bug 523505 - move icache flushing logic around, r=gal. 2009-10-21 16:26:52 -07:00
Graydon Hoare
e976f3e19b Bug 522834 - Minor merge bits from Tamarin, r=gal. 2009-10-16 18:01:54 -07:00
Graydon Hoare
d88df29f9d Bug 522316 - more miscellaneous drift from tamarin, r=dvander. 
--HG--
extra : rebase_source : 7b92362823d4ef60ebced322c1588b6cd9f445e4
 2009-10-14 13:48:00 -07:00
Graydon Hoare
0eca67091e Bug 519535 - NJ merge: add VTUNE dead code, r=gal. 2009-09-29 14:39:48 -07:00
Nicholas Nethercote
a2ec114552 Bug 519371 - NJ merge: add missing PEDANTIC occurrences. r=dvander. 2009-09-29 11:46:06 +10:00
Nicholas Nethercote
20271af76e Bug 518724 - NJ merge: yet more Assembler/Nativei386.cpp folderol. r=graydon. 2009-09-25 10:21:35 +10:00
Graydon Hoare
c421bb6e66 Bug 517530 - NJ merge: whitespace, equivalent code, PPC churn, r=dvander. 2009-09-18 13:31:09 -07:00
Graydon Hoare
16f6673674 Bug 517366 - NJ Merge: A Container assertion and more VMPI insulation, r=dvander. 2009-09-17 18:13:05 -07:00
Nicholas Nethercote
66fe28e11c Bug 516909 - nanojit: improve LIR_div/LIR_mod codegen. r=gal. 2009-09-17 11:10:26 +10:00
Nicholas Nethercote
d43a49fd27 Bug 516903 - nanojit: fix printing of cmov, cmovq. r=edwsmith. 2009-09-17 10:39:03 +10:00
Nicholas Nethercote
ea34e5ace1 Bug 515901 - nanojit: make #ifdefs consistent for _fpuStkDepth. r=rreitmai. 2009-09-16 16:00:51 +10:00
Graydon Hoare
d0efa663da Bug 503424 - Additional followup to fix more profound build-breakage, r=me. 2009-09-15 17:07:33 -07:00
Julian Seward
b214130415 Bug 503424 - Add built-in support for compiled-trace and -guard profiling, r=graydon. 2009-09-15 15:05:53 -07:00
Nicholas Nethercote
4b5aeeae4f Bug 514551 - nanojit: avoid using ~allocator.free. r=edwsmith. 2009-09-11 16:21:10 +10:00