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2006-02-19 Aleksey Demakov <ademakov@gmail.com>
* jit/jit-reg-alloc.h:
* jit/jit-reg-alloc.c: Initial version of new local register
allocator.
* jit/jit-rules.h:
* jit/jit-rules-arm.c (_jit_gen_spill_global):
* jit/jit-rules-interp.c (_jit_gen_spill_global):
* jit/jit-rules-x86.c (_jit_gen_spill_global): add function for
spilling global registers. Used by the new allocator. Only x86
version is really implemented.
2006-02-13 Aleksey Demakov <ademakov@gmail.com>
* jit/jit-internal.h (struct _jit_value): add index field.
* jit/jit-value.c (alloc_value): initialize index field;
* jit/Makefile.am (libjit_la_SOURCES): add jit-bitset.c and jit-cfg.c.
2006-02-12 Aleksey Demakov <ademakov@gmail.com>
* jit/jit-rules-x86.sel: fix JIT_OP_CALL_FINALLY.
2006-02-10 Aleksey Demakov <ademakov@gmail.com>
* jit/jit-bitset.c:
* jit/jit-bitset.h:
* jit/jit-cfg.c:
* jit/jit-cfg.h: initial code drop for a more precise liveness
analysis based on control flow graph.
2006-02-04 Aleksey Demakov <ademakov@gmail.com>
* jit/jit-rules-x86.sel: fix a typo in JIT_OP_JUMP_TABLE.
2006-01-30 Aleksey Demakov <ademakov@gmail.com>
* jit/jit-rules-x86.c (_jit_gen_load_value): optimize loading
of zero constants. Allow to move a value from one register to
another.
2006-01-15 Rhys Weatherley <rweather@southern-storm.com.au>
* configure.in, NEWS: update version for the "0.0.6" release.
* configure.in: updating working version to "0.0.7".
2006-01-14 Aleksey Demakov <ademakov@gmail.com>
* tools/gen-sel-parser.y: spilling a register which is the first
part of a register pair spill the other part too.
* jit/jit-reg-alloc.c (free_register_for_value):
* jit/jit-rules-x86.sel: if a register is the second part of a
register pair do not consider it free.
2006-01-13 Aleksey Demakov <ademakov@gmail.com>
* jit/jit-insn.c: fix all descriptors of intrinsic functions that
return an exception code to have return_type equal to
_jit_type_int_def.
* jit/jit-dump.c (dump_object_code): fix object file extension.
2006-01-11 Aleksey Demakov <ademakov@gmail.com>
* jit/jit-gen-x86.h (x86_jump_memindex): add macro for indirect
jumps.
* jit/jit-internal.h, jit/jit-function.c, jiy/jit-rules-x86.c:
add fixup_absolute_list field to _jit_block struct for fixing up
absolute address references to a block.
* include/jit/jit-opcode.h, include/jit/jit-insn.h, jit/jit-insn.c
(jit_insn_jump_table), jit/jit-rules-x86.sel, jit/jit-rules-interp.c
(_jit_gen_insn), jit/jit-interp.c (_jit_run_function):
add JIT_OP_JUMP_TABLE opcode.
2006-01-08 Aleksey Demakov <ademakov@gmail.com>
* jit/jit-apply-x86.h (jit_builtin_return_int): change definition
to dereference the return_buf argument and use leal instead of movl.
This fixes builds with gcc 4.0.2.
2005-12-28 Aleksey Demakov <ademakov@gmail.com>
* jit/jit-rules-x86.sel: implement JIT_OP_MEMMOVE rule. Get rid of
compiler warnings in JIT_OP_MEMSET.
2005-12-24 Avinash Atreya <avinashatreya@gmail.com>
* dpas/dpas-parser.y: implement array expressions (committed by Aleksey
Demakov, jit_insn_throw replaced with throw_builtin_exception)
2005-12-24 Aleksey Demakov <ademakov@gmail.com>
* include/jit/jit-except.h, jit/jit-except.c (jit_exception_builtin):
add JIT_RESULT_OUT_OF_BOUNDS builtin exception type code.
* dpas/dpas-parser.y (throw_builtin_exception): add static function
that makes jit_exception_builtin call.
* jit/jit-cache.c (_jit_cache_get_start_method): add function that
for an address in cache returns the start address of the block that
contains it.
* jit/jit-except.c (jit_stack_trace_get_offset): use
_jit_cache_get_start_method function instead of cache_start field.
* jit/jit-internal.h, jit/jit-function.c (jit_function_compile):
remove cache_start field to the jit_function struct.
2005-12-22 Aleksey Demakov <ademakov@gmail.com>
* jit/jit-rules-x86.sel: implement JIT_OP_MEMSET and JIT_OP_MEMCPY
rules optimized for small constant size blocks.
2005-12-20 Aleksey Demakov <ademakov@gmail.com>
* jit/jit-gen-x86.h (x86_fld_memindex, x86_fld80_memindex)
(x86_fst_memindex, x86_fst80_memindex): add floating point load
and store macros with memindex addressing.
* jit/jit-rules-x86.sel: optimize floating point element load
and store rules. Fix potential register allocation problems.
2005-12-18 Aleksey Demakov <ademakov@gmail.com>
* jit/jit-internal.h, jit/jit-function.c (jit_function_compile):
Add cache_start field to the jit_function struct, set it to the start
of the function code cache.
* jit/jit-except.c (jit_stack_trace_get_offset): implement the
function.
2005-12-15 Aleksey Demakov <ademakov@gmail.com>
* jit/jit-insn.c (jit_insn_address_of): return null if the value is
constant.
2005-12-15 Avinash Atreya <avinashatreya@gmail.com>
* jit/jit-insn.c: Store constants to a temporary to obtain
address of constant values (Gopal).
2005-12-13 Aleksey Demakov <ademakov@gmail.com>
* configure.in: Added --enable-long-double option that forces
jit_nfloat to be long double.
* jit/jit-apply-x86.h (jit_builtin_apply, jit_builtin_return_float):
In gcc/Win32 and gcc/non-Win32 versions of the macros check the size
of jit_nfloat and use fstpl/fldl or fstpt/fldt instructions
accordingly.
* tools/gen-apply.c (detect_float_return): On x86 only the first
10 bytes of 12 byte long doubles are significant and are used for
comparison.
2005-12-12 Aleksey Demakov <ademakov@gmail.com>
* jit/jit-dump.c (dump_object_code): in order to make dump work on
cygwin call "as" and "objdump" in two separate system() calls because
it looks like the ';' separator between commands does not work there.
Also on Win32 use TMP and TEMP environment variables as the tmp
directory names and fallback to "c:/tmp".
* jit/jit-gen-x86.h (jit_assert): change the macro definition to
resolve problems introduced at 2005-12-10.
2005-12-10 Aleksey Demakov <ademakov@gmail.com>
* jit/jit-gen-x86.h: Merged changes from the latest Mono project's
version of this file.
* jit/jit-rules-x86.sel: Done the following rules:
JIT_OP_LOAD_ELEMENT_FLOAT32, JIT_OP_LOAD_ELEMENT_FLOAT64,
JIT_OP_LOAD_ELEMENT_NFLOAT, JIT_OP_STORE_ELEMENT_LONG,
JIT_OP_STORE_ELEMENT_FLOAT32, JIT_OP_STORE_ELEMENT_FLOAT64,
JIT_OP_STORE_ELEMENT_NFLOAT.
2005-11-19 Klaus Treichel <ktreichel@web.de>
* jit/apply-x86-64.h: Change definition of JIT_MEMCPY from "jit_memcpy" to
"jit_memcpy@PLT" to fix the build of a shared library for x86_64.
21 years ago
2004-11-18 Rhys Weatherley <rweather@southern-storm.com.au>
* include/jit/jit-opcode.h, jit/jit-dump.c, jit/jit-insn.c,
jit/jit-interp.c, jit/jit-opcode.c, jit/jit-rules-interp.c,
jit/jit-rules-x86.sel: implement tail calls properly.
2004-11-05 Evin Robertson <evin@users.sourceforge.net>
* jit/jit-insn.c (jit_insn_store): use the destination type
to determine the store opcode, not the source value type.
2004-11-02 Evin Robertson <evin@users.sourceforge.net>
* jit/jit-function.c (jit_function_compile): clear block addresses
and fixup lists if we need to restart on a new cache page (minor
alterations by Rhys).
* jit/jit-function.c (jit_function_apply_vararg): return 0 when a
sub-function throws an exception, not 1.
2004-10-31 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-rules-x86.sel: handle the special case of constant
destination pointers in "store_relative" instructions, because
otherwise the register allocator gets confused.
2004-10-29 Peter Lund <firefly@diku.dk>
* doc/libjit.3: fix manpage formatting issues. (patch attached
to bug #10779, Gopal).
2004-10-28 Rhys Weatherley <rweather@southern-storm.com.au>
* configure.in, jit/jit-debugger.c, jit/jit-thread.c,
jit/jit-thread.h: implement some of the locking code
for the debugging API.
2004-10-12 Evin Robertson <evin@users.sourceforge.net>
* jit/jit-rules-x86.c (output_branch): correct the offset
when outputting a long-form backward branch.
* tests/Makefile.am, tests/loop.pas: test case for the
long-form backward branch bug.
2004-10-06 Rhys Weatherley <rweather@southern-storm.com.au>
* doc/Makefile.am, doc/libjit.texi, include/jit/Makefile.am,
include/jit/jit-common.h, include/jit/jit-context.h,
include/jit/jit-debugger.h, include/jit/jit-except.h,
include/jit/jit-function.h, include/jit/jit.h, jit/Makefile.am,
jit/jit-context.c, jit/jit-debug.c, jit/jit-debugger.c,
jit/jit-insn.c, jit/jit-internal.h, jit/jit-interp.c:
redesign the debugger API so that it contains functions
like "add breakpoint", "run", "step", etc that more closely resemble
what a front end debugger will want to have, shifting the
implementation burden off the front end.
2004-10-04 Rhys Weatherley <rweather@southern-storm.com.au>
* include/jit/jit-function.h, include/jit/jit-insn.h,
include/jit/jit-opcode.h, include/jit/jit-plus.h, jit/jit-function.c,
jit/jit-insn.c, jit/jit-internal.h, jit/jit-interp.c,
jit/jit-opcode.c, jit/jit-rules-interp.c, jit/jit-rules-arm.sel,
jit/jit-rules-x86.sel, jitplus/jit-plus-function.cpp:
add instructions and function API's for supporting debug line
numbers and breakpoints.
* doc/Makefile.am, doc/libjit.texi, include/jit/jit-context.h,
include/jit/jit-insn.h, include/jit/jit-opcode.h,
include/jit/jit-plus.h, jit/Makefile.am, jit/jit-context.c,
jit/jit-debug.c, jit/jit-function.c, jit/jit-insn.c,
jit/jit-internal.h, jit/jit-interp.c, jit/jit-opcode.c,
jit/jit-rules-arm.sel, jit/jit-rules-interp.c, jit/jit-rules-x86.sel,
jitplus/jit-plus-function.cpp: clean up the breakpoint API and
implement debug hooks for the interpreter.
* jit/jit-insn.c, jit/jit-rules-arm.sel, jit/jit-rules-x86.sel:
use a common helper function for performing debug hook tests on
native platforms, to avoid the need to implement breakpoint testing
individually in every native back end.
2004-09-10 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-rules-x86.sel: pointer-relative loads and stores
for structures in the x86 back end.
2004-09-09 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-rules-x86.c, jit/jit-rules-x86.sel: add some support
for structure copying to the x86 back end.
2004-09-06 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-rules-interp.c: the pointer value for indirect and vtable
calls was being pushed onto the stack twice.
2004-09-05 Norbert Bollow <nb@SoftwareEconomics.biz>
* samples/hellovm.c: add a sample program that demonstrates a
simple VM based on libjit (committed by Rhys).
2004-08-30 Rhys Weatherley <rweather@southern-storm.com.au>
* jit-rules-x86.sel: fix x86 code generation for floating-point
return instructions.
2004-08-16 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-cpuid-x86.c (cpuid_query): use %ebx in a way that doesn't
confuse PIC mode in some versions of gcc (bug #10022).
2004-08-13 Rhys Weatherley <rweather@southern-storm.com.au>
* include/jit/jit-insn.h, include/jit/jit-opcode.h,
include/jit/jit-plus.h, jit/jit-insn.c, jit/jit-internal.h,
jit/jit-interp.h, jit/jit-opcode.c, jit/jit-rules-interp.c,
jitplus/jit-plus-function.cpp: re-implement the "push_return_area_ptr"
patch so as to avoid wasting stack space in functions with more
than one native function call.
2004-08-12 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-rules-interp.c: account for the extra value that is
added to the stack by the "push_return_area_ptr" instruction.
2004-08-08 Rhys Weatherley <rweather@southern-storm.com.au>
* configure.in, NEWS: update version for the "0.0.4" release.
* configure.in: updating working version to "0.0.5".
2004-08-05 Rhys Weatherley <rweather@southern-storm.com.au>
* doc/Makefile.am, doc/README, doc/libjit.texi,
jit/jit-dump.c, jit/jit-insn.c: documentation updates.
* dpas/Makefile.am, tools/Makefile.am: support for parallel builds.
2004-08-04 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-opcode.c: fix the operand types for "call_vtable_ptr".
2004-06-25 Rhys Weatherley <rweather@southern-storm.com.au>
* tools/gen-apply.c: fix a crash in gen-apply under x86-64.
* jit/jit-apply-func.h, jit/jit-apply-x86-64.h, tools/gen-apply.c:
write an x86-64 assembly version of "__builtin_apply", because
the version inside gcc has an unusable register ordering.
2004-06-24 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-reg-alloc.c, jit/jit-rules-arm.h, jit/jit-rules-interp.c,
jit/jit-rules-interp.h, jit/jit-rules-x86.h, jit/jit-rules.h:
use separate JIT_REG_xxx flags for float32, float64, and nfloat
because some platforms need to put these values in different
types of registers (e.g. x86-64).
2004-06-22 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-insn.c: properly set the "may_throw" flag for opcodes
that throw exceptions and which are also supported by the back end.
2004-06-21 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-rules-x86.c, jit/jit-rules-x86.sel: move the code
for loading/storing small structures into a central location.
2004-06-18 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-dump.c, jit/jit-reg-alloc.c, jit/jit-rules-arm.c,
jit/jit-rules-arm.h, jit/jit-rules-x86.c, jit/jit-rules-x86.h,
jit/jit-rules-x86.sel, jit/jit-rules.c, jit/jit-rules.h,
tests/param.pas: rewrite the x86 and ARM parameter handling
routines to centralise the code and fix several bugs; add new
tests for fastcall and stdcall conventions.
2004-06-17 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-reg-alloc.c (_jit_regs_set_outgoing): pass 64-bit "fastcall"
parameters in ECX:EDX, not in ECX:EBX.
* tools/gen-apply.c: allow floating-point values to be passed
in "fastcall" registers.
2004-06-16 Rhys Weatherley <rweather@southern-storm.com.au>
* tools/gen-sel-parser.y: add a missing semi-colon.
2004-06-14 Rhys Weatherley <rweather@southern-storm.com.au>
* dpas/dpas-internal.h, dpas/dpas-parser.y, dpas/dpas-scanner.l,
jit/jit-rules-x86.c, jit/jit-rules-x86.sel, tests/Makefile.am,
tests/param.pas, tools/gen-apply.c: add some test cases for
parameter passing; fix fastcall/stdcall conventions for x86.
* jit/jit-rules-arm.h, jit/jit-rules-arm.sel, jit/jit-rules-x86.h,
jit/jit-rules-x86.sel, tools/gen-sel-parser.y: enable register
allocation for 64-bit values under x86 and ARM; expand some
64-bit opcodes in the instruction selectors.
2004-06-12 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-insn.c, jit/jit-rules-x86.c, jit/jit-rules-x86.sel:
implement or stub missing x86 instruction selection rules.
* include/jit/jit-insn.h, include/jit/jit-opcode.h,
include/jit/jit-plus.h, jit/jit-function.c, jit/jit-insn.c,
jit/jit-interp.c, jit/jit-opcode.c, jit/jit-rules-interp.c,
jitplus/jit-plus-function.cpp: add the "outgoing_frame_posn"
instruction, to support tail calls.
2004-06-11 Rhys Weatherley <rweather@southern-storm.com.au>
* doc/libjit.texi, jit/jit-insn.c, jit/jit-internal.h,
jit/jit-reg-alloc.c, jit/jit-rules-arm.c, jit/jit-rules-arm.sel,
jit/jit-rules-interp.c, jit/jit-rules-x86.c, jit/jit-rules-x86.sel,
jit/jit-rules.h, jit/jit-value.c, tutorial/Makefile.am,
tutorial/t2.c, tutorial/t5.c: implement tail calls from a
function to itself.
* jit/jit-function.c, jit/jit-reg-alloc.c, jit/jit-rules-arm.c,
jit/jit-rules-interp.c, jit/jit-rules-x86.c, jit/jit-rules.h:
implement global register allocation for parameters in stack slots.
* jit/jit-rules-x86.c, jit/jit-rules-x86.sel, jit/jit-rules.h:
optimize the x86 function epilog when we are certain that the
stack height doesn't change between entry and exit (i.e. the
function is a leaf and there are no alloca's).
2004-06-10 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-apply-arm.c, jit/jit-gen-arm.c, jit/jit-gen-arm.h,
jit/jit-rules-arm.c, jit/jit-rules-arm.h, jit/jit-rules-arm.sel,
tools/gen-sel-parser.y: redesign the ARM code generation macros
so that they have stronger protection against buffer overruns.
* jit/jit-rules-arm.sel: flush the constant pool after unconditional
branches, to try to minimize the probability that the pool will
be flushed in the middle of a loop body.
* jit/jit-dump.c: dump the hex address of external functions,
to aid with debugging native disassembly dumps.
* include/jit/jit-insn.h, include/jit/jit-opcode.h,
include/jit/jit-plus.h, jit/jit-insn.c, jit/jit-internal.h,
jit/jit-interp.c, jit/jit-opcode.c, jit/jit-rules-arm.c,
jit/jit-rules-arm.sel, jitplus/jit-plus-function.cpp:
add support for outgoing parameter areas, which should reduce
the overhead of function calls that involve stacked arguments
on non-x86 platforms; use parameter areas in the ARM back end.
* include/jit/jit-plus.h, include/jit/jit-value.h, jit/jit-insn.c,
jit/jit-internal.h, jit/jit-reg-alloc.c, jit/jit-rules-x86.c,
jit/jit-value.c: don't over-allocate x86 stack frames if
EBX, ESI, and EDI don't need to be saved; don't perform global
register allocation on stacked parameters because it confuses
the register spill logic.
* jit/jit-reg-alloc.c (_jit_regs_load_value): avoid unnecessary
spills if a temporary value won't be used again in the current block.
2004-06-09 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-rules-arm.c (flush_constants): update the instruction
location after flushing the constant table.
* jit/jit-gen-arm.h: fix some bugs in the encoding of floating-point
load and store instructions.
* jit/jit-gen-arm.c (_arm_alu_reg_imm): forgot to update the
instruction pointer when loading the immediate value.
* jit/jit-gen-arm.c: optimize the use of rotated immediate values.
* jit/jit-rules-arm.c (_jit_gen_load_value): use ARM register pairs
properly for "long" and "float64" values.
2004-06-08 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/Makefile.am, jit/jit-cpuid-x86.c, jit/jit-cpuid-x86.h:
add an API for querying the x86 "cpuid" information.
* include/jit/jit-opcode.h, jit/jit-interp.c, jit/jit-opcode.c:
remove obsolete opcodes which violate "_jit_load_opcode"'s rules.
* jit/jit-reg-alloc.c, jit/jit-rules-x86.c, jit/jit-rules-x86.sel:
more x86 instruction selection rules.
* jit/jit-reg-alloc.c (_jit_regs_set_outgoing): implement
missing function.
* jit/jit-gen-arm.h (arm_call): use a more efficient form of
call for offsets beyond the simple target range.
* jit/jit-rules-arm.sel, tools/gen-sel-parser.y,
tools/gen-sel-scanner.l: introduce conditional rules into "gen-sel"
so that we can disable certain rules on ARM platforms that lack
floating-point support.
* jit/jit-rules-arm.c (_jit_gen_spill_reg): spill properly to
global registers for ARM.
* jit/jit-reg-alloc.c, jit/jit-rules-arm.c, jit/jit-rules-arm.sel,
jit/jit-rules-x86.sel: minor register assignment bugs.
* jit/jit-rules-arm.c: ARM parameters cannot be split between
registers and the stack.
* jit/jit-gen-arm.c, jit/jit-gen-arm.h, jit/jit-rules-arm.c,
jit/jit-rules-arm.h, jit/jit-rules-arm.sel: implement a
constant pool for ARM, which gets complicated constants out
of the main stream of execution.
2004-06-08 Miroslaw Dobrzanski-Neumann <mne@mosaic-ag.com>
* jit/jit-alloc.c: fix ROUND_END_PTR so that it adds the size
after casting to jit_nuint.
2004-06-07 Thong Nguyen <tim@veridicus.com>
* configure.in, jit/jit-insn.c: add "_setjmp" to the list of
names to try to work around the "setjmp" macro (needed for Win32).
2004-06-07 Rhys Weatherley <rweather@southern-storm.com.au>
* tools/gen-apply.c: gen-apply fixes for Alpha platforms.
* jit/jit-interp.c: alignment problem with "push_const_float32"
on 64-bit platforms.
* jit/jit-intrinsic.c: work around a SIGFPE for sqrt(-1) on Alpha;
it should return NaN instead.
21 years ago
* jit/jit-value.c: fix a warning.
* configure.in, jit/jit-insn.c: use "sigsetjmp" instead of
"setjmp", because "setjmp" may be a macro on some systems.
* jit-gen-arm.h: add floating-point instruction macros.
* jit/jit-gen-arm.h, jit/jit-rules-arm.c, jit/jit-rules-arm.h,
jit/jit-rules-arm.sel: expand floating-point instructions for ARM.
* jit/jit-rules-x86.c: fix misnaming of jit_type_get_abi,
jit_abi_stdcall, and jit_abi_fastcall.
* tools/gen-apply-macosx.h, tools/gen-apply.c: bypass the
auto-detection logic in gen-apply under MacOSX because
it doesn't work with Apple's version of gcc.
* tools/gen-apply.c: gen-apply fix for ia64.
* jit/jit-alloc.c (jit_flush_exec): warning fix for ia64.
2004-06-06 Miroslaw Dobrzanski-Neumann <mne@mosaic-ag.com>
* jit/jit-alloc.c (jit_flush_exec): flush cache lines properly
if the start is not on a line boundary.
2004-06-06 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-reg-alloc.c, jit/jit-reg-alloc.h, jit/jit-rules-arm.c,
jit/jit-rules-arm.sel, jit/jit-rules-x86.c, jit/jit-rules-x86.sel:
add some more instructions to the ARM back end; split some x86
back end code out into common code for ARM to use as well.
2004-06-02 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-function.c, jit/jit-insn.c, jit/jit-internal.h,
jit/jit-reg-alloc.c, jit/jit-reg-alloc.h, jit/jit-rules-arm.c,
jit/jit-rules-arm.h, jit/jit-rules-interp.c, jit/jit-rules-interp.h,
jit/jit-rules-x86.c, jit/jit-rules-x86.h, jit/jit-rules.h,
jit/jit-value.c, tools/gen-sel-parser.y: implement a simple global
register allocation policy, based on usage counts.
* jit/jit-reg-alloc.c (_jit_regs_load_value): if a value is in a
global register and it is not going to be destroyed by an instruction,
then use the global register as the operand.
* jit/jit-insn.c: recognise "t = a op b; a = t" and turn it
into "a = a op b" to make it easier for back ends to recognise
special idioms such as increments and decrements.
2004-06-01 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-cache.c, jit/jit-elf-read.c, tools/gen-apply.c:
fix some gcc 3.x compile warnings.
* jit/jit-rules-arm.c, jit/jit-rules-arm.sel: more instruction
selection rules for ARM.
* configure.in, jit/jit-rules.h: enable the x86 back end by
default on platforms where it makes sense, and add the option
"--enable-interpreter" to "configure".
2004-05-31 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-rules-x86.sel: optimize multiplications for x86.
* jit/jit-rules-x86.c, jit/jit-rules-x86.sel, tools/gen-sel-parser.y,
tools/gen-sel-scanner.l: inline and optimize divisions for x86.
* jit/jit-rules-x86.sel: throw exceptions correctly for "check_null".
2004-05-30 Rhys Weatherley <rweather@southern-storm.com.au>
* doc/libjit.texi: clarify the text that describes LLVM, at the
request of Chris Lattner, LLVM's author.
* jit/jit-insn.c (jit_insn_convert): use intrinsic functions
for conversions when the back end doesn't support the opcode.
* jit/jit-rules-x86.sel, tools/gen-sel-parser.y,
tools/gen-sel-scanner.l: improve instruction selection for
floating-point "push" operations.
* include/jit/jit-insn.h, jit/jit-insn.c, jit/jit-internal.h,
jit/jit-rules-x86.c: add "jit_insn_defer_pop_stack" and
"jit_insn_flush_defer_pop", to defer the popping of function
call arguments as long as possible.
* jit/jit-rules-x86.sel: fix a cpu vs non-cpu register problem
in the floating-point "push" operations for x86.
2004-05-29 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-insn.c, jit/jit-reg-alloc.c, jit/jit-reg-alloc.h,
jit/jit-rules-x86.c, jit/jit-rules-x86.sel: continue the
x86 back end; particularly byte/short stores.
* jit/jit-rules-x86.sel: stub out JIT_OP_RETURN_REG, which
doesn't need any special handling for x86.
2004-05-27 Rhys Weatherley <rweather@southern-storm.com.au>
* tools/gen-apply.c: split "detect_struct_conventions" up a bit
more to (hopefully) prevent problems under MacOSX; fix a bug in
the generation of "jit_apply_builder_align_regs" that affected
ARM and PPC systems.
* dpas/dpas-types.c (dpas_type_identical): treat "float64" and
"nfloat" as identical on platforms whose "long double" type is
the same as "double".
* jit/jit-rules-x86.c, jit/jit-rules-x86.sel, tools/gen-sel-parser.y,
tools/gen-sel-scanner.l: relative loads and stores for x86.
2004-05-26 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-insn.c, jit/jit-rules-x86.c, jit/jit-rules-x86.sel,
jit/jit-rules.h, tools/gen-sel-parser.y: fix some compile issues
in the x86 native back end.
* jit/jit-function.c, jit/jit-rules-x86.c, jit/jit-rules-x86.sel,
tools/gen-sel-parser.y: more bug fixes for the x86 back end.
* include/jit/jit-insn.h, include/jit/jit-plus.h, jit/jit-insn.c,
jitplus/jit-plus-function.cpp: add "jit_insn_new_block" to simplify
creating a new block that doesn't have an explicit label.
* dpas/dpas-parser.y, include/jit/jit-block.h, jit/jit-block.c,
jit/jit-insn.c: add "jit_block_current_is_dead" to simplify
testing if the last block is reachable or not, taking empty
trailing blocks into account.
* jit/jit-rules-x86.c, jit/jit-rules-x86.sel, tools/gen-sel-parser.y,
tools/gen-sel-scanner.l: more selection cases for the x86 back end.
* jit/Makefile.am, jit/jit-gen-arm.h, jit/jit-rules-arm.c,
jit/jit-rules-arm.sel: add the beginnings of the instruction
selector for ARM.
2004-05-25 Rhys Weatherley <rweather@southern-storm.com.au>
* tools/.cvsignore, tools/Makefile.am, tools/gen-sel-parser.y,
tools/gen-sel-scanner.l: add the "gen-sel" program to the tree,
to assist with building native instruction selectors.
* jit/.cvsignore, jit/Makefile.am, jit/jit-rules-x86.c,
jit/jit-rules-x86.sel, tools/gen-sel-parser.y: check in the
initial instruction selector for x86 (incomplete).
* jit/jit-rules-x86.sel, tools/gen-sel-parser.y,
tools/gen-sel-scanner.l: selectors for branch instructions.
* jit/jit-rules-x86.sel: selectors for call instructions.
2004-05-24 Rhys Weatherley <rweather@southern-storm.com.au>
* include/jit/jit-insn.h, include/jit/jit-opcode.h, jit/jit-block.c,
jit/jit-dump.c, jit/jit-except.c, jit/jit-function.c, jit/jit-insn.c,
jit/jit-internal.h, jit/jit-interp.c, jit/jit-interp.h,
jit/jit-opcode.c, jit/jit-rules-arm.c, jit/jit-rules-interp.c,
jit/jit-rules-x86.c, jit/jit-rules.h, jit/jit-setjmp.h:
rewrite the exception region routines to make them easier
to use from CLI and JVM style systems.
* jit/jit-rules-interp.c (_jit_gen_start_block): set the address
of the exception handler for interpreted code.
* include/jit/jit-plus.h, jitplus/jit-plus-function.cpp:
add missing functions to the C++ API.
2004-05-22 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-block.c (_jit_block_peephole_branch): don't allow
conditional branches to cross an exception context boundary,
because doing so will violate "finally" semantics.
* dpas/dpas-parser.y, include/jit/jit-insn.h, jit/jit-function.c,
jit/jit-insn.c, jit/jit-internal.h: rename "jit_insn_move_blocks"
to "jit_insn_move_blocks_to_end" and add a new function
"jit_insn_move_blocks_to_start" for creating initialization code.
* include/jit/jit-opcode.h, jit/jit-except.c, jit/jit-function.c,
jit/jit-insn.c, jit/jit-internal.h, jit/jit-interp.c, jit/jit-opcode.c,
jit/jit-setjmp.h: modify the function call logic to use "setjmp"
with native back ends.
2004-05-21 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-gen-arm.c, jit/jit-gen-arm.h: modify the ARM codegen
macros so that they can be used for branch elimination.
* include/jit/jit-except.h, jit/jit-except.cpp, jit/jit-function.c,
jit/jit-insn.c, jit/jit-internal.h, jit/jit-interp.cpp,
jit/jit-interp.h, jit/jit-setjmp.h: redesign the exception handling
mechanism to use "setjmp" rather than C++ exceptions.
* configure.in, doc/Makefile.am, doc/libjit.texi, dpas/Makefile.am,
jit/Makefile.am, jit/jit-except.c, jit/jit-except.cpp,
jit/jit-interp.c, jit/jit-interp.cpp, jitdynamic/Makefile.am:
remove the last remaining C++ code from libjit.so so that
it is now a pure C library.
* include/jit/jit-insn.h, include/jit/jit-opcode.h,
include/jit/jit-plus.h, jit/jit-insn.c, jit/jit-interp.c,
jit/jit-opcode.c, jitplus/jit-plus-function.cpp:
add the "jit_insn_alloca" instruction.
* configure.in, jit/.cvsignore, jit/Makefile.am, jit/jit-interp.c,
jit/mklabel.sh: use computed goto's in the interpreter if supported
by the underlying compiler.
2004-05-20 Rhys Weatherley <rweather@southern-storm.com.au>
* include/jit/jit-value.h, jit/jit-insn.c, jit/jit-value.c:
convert constant conditional branches such as "if true goto L" into
unconditional branches.
* jit/jit-block.c, jit/jit-internal.h, jit/jit-live.c,
jit/jit-rules-interp.c: perform peephole optimization of
branches to branches before live variable analysis, so that
the back ends don't need to worry about jump threading.
* jit/jit-block.c, jit/jit-live.c: treat dead blocks as empty
when peepholing branches to the next block.
2004-05-15 Rhys Weatherley <rweather@southern-storm.com.au>
* tools/gen-apply.c: fix a macro generation bug for Win32 systems.
* jit/jit-reg-alloc.c: fix a compile bug.
2004-05-14 Rhys Weatherley <rweather@southern-storm.com.au>
* include/jit/Makefile.am, include/jit/jit-objmodel-private.h,
include/jit/jit-objmodel.h, include/jit/jit.h, jit/Makefile.am,
jit/jit-objmodel.c: put some infrastructure in place to support
pluggable object models.
2004-05-13 Rhys Weatherley <rweather@southern-storm.com.au>
* dpas/dpas-parser.y, dpas/dpas-types.c, dpas/dpas-types.h:
put some infrastructure (incomplete) in place to support array
index expressions.
* configure.in, NEWS: update version for the "0.0.2" release.
* configure.in: updating working version to "0.0.3".
2004-05-12 Rhys Weatherley <rweather@southern-storm.com.au>
* jitdynamic/Makefile.am, jitplus/Makefile.am: use both .libs and
non.libs versions of the so paths, because some versions of libtool
add .libs implicitly and others don't.
* dpas/dpas-builtin.c, dpas/dpas-parser.y, dpas/dpas-types.c,
dpas/dpas-types.h: add the "SameType" and "SameShape" builtins,
to assist with unit testing type coercions.
* dpas/dpas-parser.y (IfTail): fix a bug that caused the "then"
case of an "if" to fall through to the "else".
* dpas/dpas-parser.y: resolve ea-based lvalues in operators.
* include/jit/jit-defs.h.in: incorrect values for jit_max_int
and jit_max_long.
* dpas/dpas-scanner.l (dpas_parse_hex): ignore the 'H' on the
end of a hexadecimal constant.
* Makefile.am, configure.in, tests/.cvsignore, tests/Makefile.am,
tests/coerce.pas: check in some initial infrastructure for the
dpas-based test suite.
* jit/jit-type.c (jit_type_promote_int): promote ubyte and ushort
to uint, not int.
* jit/jit-insn.c, tests/coerce.pas: more coercion test cases and fixes.
* dpas/dpas-builtin.c, jit/jit-dump.c, jit/jit-value.c: add builtins
for mathematical operations.
* dpas/dpas-parser.y, jit/jit-interp.cpp, tests/Makefile.am,
tests/math.pas: test cases and bug fixes for mathematical operations.
* dpas/dpas-main.c, include/jit/jit-context.h, jit/jit-context.c,
jit/jit-insn.c, tests/Makefile.am: add the "--dont-fold" option
to Dynamic Pascal, so that we can run the test cases without folding.
* tests/README: add a README file to describe how to write test cases.
2004-05-11 Rhys Weatherley <rweather@southern-storm.com.au>
* include/jit/jit-insn.h, jit/jit-insn.c, jit/jit-interp.cpp,
jit/jit-interp.h, jit/jit-opcode.c, jit/jit-rules-interp.c:
round out the function call handling opcodes for the interpreter.
* jit/jit-rules-interp.c, jit/jit-rules-interp.h: implement
the exception-handling opcodes for the interpreter.
* dpas/dpas-parser.y, dpas/dpas-scope.c, dpas/dpas-scope.h:
fix a bug that caused global variables in Dynamic Pascal
to be incorrectly allocated as locals.
* jit/jit-reg-alloc.c (_jit_regs_load_to_top_two): handle the
case where the second value is on the stack but not the first.
* dpas/dpas-parser.y, dpas/dpas-types.c, dpas/dpas-types.h:
report errors for unimplemented expressions and statements,
so that users are not "surprised" when things silently fail.
* .cvsignore, auto_gen.sh, configure.in, doc/.cvsignore,
dpas/.cvsignore, dpas/Makefile.am, include/.cvsignore,
jit/.cvsignore, jit/Makefile.am, jitdynamic/.cvsignore,
jitdynamic/Makefile.am, jitplus/.cvsignore, jitplus/Makefile.am,
tools/.cvsignore, tutorial/.cvsignore, tutorial/Makefile.am:
modify the autoconf/automake build system to use libtool.
2004-05-10 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-reg-alloc.c, jit/jit-reg-alloc.h, jit/jit-rules-interp.c:
interpreter code conversion for relative pointer and copy opcodes;
fix some bugs in stack-based register allocation.
* dpas/dpas-parser.y, dpas/dpas-types.c, dpas/dpas-types.h:
loading and storing record fields in Dynamic Pascal.
* dpas/dpas-builtin.c: implement the "New" and "Dispose" builtins.
2004-05-08 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-cache.c, jit/jit-cache.h, jit/jit-dump.c, jit/jit-interp.h,
jit/jit-rules-interp.c: add "_jit_cache_get_end_method", to allow
the end of a method's code to be located without explicit marking.
* configure.in, include/jit/jit-util.h, jit/jit-string.c:
remove the locale-sensitive string comparison routines because
they aren't used in libjit, and front ends will normally have
their own functions for this purpose.
* Makefile.am, configure.in, doc/Makefile.am, doc/libjit.texi,
include/jit/Makefile.am, include/jit/jit-dynamic.h,
include/jit/jit-util.h, jit/Makefile.am, jit/jit-dynlib.c,
jit/jit-mangle.c, jitdynamic/.cvsignore, jitdynamic/Makefile.am,
jitdynamic/jit-cpp-mangle.c, jitdynamic/jit-dynlib.c:
move the dynlib and C++ name mangling routines into a separate
"jitdynamic" library, which will handle all of the cross-language
naming and dynamic invocation logic.
* include/jit/jit-type.h, jit/jit-internal.h, jit/jit-type.c,
jitdynamic/jit-cpp-mangle.c: move the "JIT_TYPE_xxx" constants
into the public headers and add "jit_type_get_kind" so that
front end code can classify types quickly.
* jit/jit-dump.c: use "objdump" to dump compiled native code.
2004-05-07 Rhys Weatherley <rweather@southern-storm.com.au>
* dpas/dpas-function.c, dpas/dpas-internal.h, dpas/dpas-main.c,
dpas/dpas-parser.y, jit/jit-interp.cpp, jit/jit-interp.h,
jit/jit-opcode.c, jit/jit-rules-interp.c: execute the "main"
method once a Dynamic Pascal program has been compiled;
fix some calling convention problems with "call_external".
* dpas/dpas-builtin.c, dpas/dpas-scanner.l: add the "Flush"
and "Terminate" builtins; fix a small bug in string scanning.
* include/jit/jit-elf.h, jit/Makefile.am, jit/jit-context.c,
jit/jit-elf-read.c, jit/jit-internal.h, jit/jit-symbol.c:
implement symbol relocations for the ELF binary reader.
* dpas/dpas-parser.y: code generation for "for" loops.
2004-05-06 Rhys Weatherley <rweather@southern-storm.com.au>
* dpas/Makefile.am, dpas/dpas-builtin.c, dpas/dpas-function.c,
dpas/dpas-internal.h, dpas/dpas-main.c, dpas/dpas-parser.y,
dpas/dpas-scope.c, dpas/dpas-scope.h, dpas/dpas-semantics.h,
dpas/dpas-types.c, dpas/dpas-types.h, include/jit/jit-block.h,
include/jit/jit-insn.h, include/jit/jit-plus.h, jit/jit-block.c,
jit/jit-dump.c, jit/jit-function.c, jit/jit-insn.c, jit/jit-interp.cpp,
jit/jit-opcode.c, jit/jit-rules-arm.c, jit/jit-rules-interp.c,
jit/jit-rules-x86.c, jit/jit-type.c, jit/jit-value.c,
jitplus/jit-plus-function.cpp: get basic compilation working
in Dynamic Pascal.
2004-05-03 Rhys Weatherley <rweather@southern-storm.com.au>
* tools/gen-apply.c: improve the maintainability of the apply macros.
* include/jit/jit-block.h, include/jit/jit-context.h,
include/jit/jit-dump.h, include/jit/jit-elf.h, include/jit/jit-init.h,
include/jit/jit-meta.h, include/jit/jit-type.h, include/jit/jit-util.h,
jit/jit-type.c, jit/jit-value.c: add more instances of JIT_NOTHROW
to the headers; add some special meta tags for types.
* include/jit/jit-type.h, jit/jit-type.c: tag the system-dependent
types so that they can be distinguished from the fixed-sized types
when it is necessary to do so.
* jit/Makefile.am, jit/jit-mangle.c: add the beginnings of a C++
name mangler, to help with extracting C++ symbols from dynamic
shared libraries.
* doc/Makefile.am, doc/libjit.texi, doc/mangling_rules.txt,
include/jit/jit-type.h, include/jit/jit-util.h, jit/jit-mangle.c,
jit/jit-type.c: continue the implementation of the C++ name
mangling routines.
21 years ago
2004-05-01 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-apply-x86.c, jit/jit-rules-x86.c, tools/gen-apply.c:
fix function prolog and epilog handling for structure returns
under x86/cdecl.
* configure.in: set the initial working version to 0.0.1.
* jit/jit-rules-x86.c: implement x86 code generation for some of
the basic operators.
* include/jit/jit-insn.h, include/jit/jit-opcode.h,
include/jit/jit-plus.h, jit/jit-insn.c, jit/jit-interp.cpp,
jit/jit-opcode.c, jit/jit-reg-alloc.c, jit/jit-reg-alloc.h,
jit/jit-rules-interp.c, jitplus/jit-plus-function.cpp:
add array access instructions.
* tools/gen-apply.c: clean up the builder/parser macros and
detect padding of the floating-point registers.
21 years ago
2004-04-30 Rhys Weatherley <rweather@southern-storm.com.au>
* include/jit/jit-function.h, include/jit/jit-insn.h,
include/jit/jit-opcode.h, include/jit/jit-plus.h, jit/jit-except.cpp,
jit/jit-function.c, jit/jit-insn.c, jit/jit-internal.h,
jit/jit-interp.cpp, jit/jit-interp.h, jit/jit-opcode.c,
jit/jit-rules-arm.c, jit/jit-rules-interp.c, jit/jit-rules-x86.c,
jit/jit-rules.h, jitplus/jit-plus-function.cpp: put some
infrastructure in place to support "try"-related instructions.
* dpas/dpas-parser.y, dpas/dpas-scope.h, dpas/dpas-semantics.h:
introduce effective address based l-values into dpas.
2004-04-27 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-dump.c, jit/jit-reg-alloc.c: fix a register stack bug
in "_jit_regs_set_value"; add some more debug code.
* include/jit/jit-opcode.h, jit/jit-insn.c, jit/jit-internal.h,
jit/jit-interp.cpp, jit/jit-opcode.c: wrap function calls
with code to set up and remove exception frame information.
* jit/jit-function.c, jit/jit-insn.c, jit/jit-internal.h:
intuit "nothrow" and "noreturn" flags for compiled functions.
* include/jit/jit-insn.h, include/jit/jit-plus.h, jit/jit-insn.c,
jitplus/jit-plus-function.cpp: add "jit_insn_throw",
"jit_insn_rethrow", and "jit_insn_get_call_stack" to assist
with throwing exceptions.
* include/jit/jit-insn.h, jit/jit-block.c, jit/jit-insn.c,
jit/jit-internal.h: add some instructions for managing "try" blocks.
* include/jit/jit-opcode.h, jit/jit-block.c, jit/jit-insn.c,
jit/jit-internal.h, jit/jit-opcode.c: more work on "try" blocks.
2004-04-26 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-reg-alloc.c, jit/jit-reg-alloc.h: add functions to
assist with register allocation on stack-based architectures.
* jit/jit-rules-interp.c: implement "_jit_gen_load_value" for
the interpreter backend.
* jit/jit-interp.cpp, jit/jit-interp.h: fix some opcode names that
should be prefixed with "JIT_OP".
* jit/jit-function.c, jit/jit-internal.h, jit/jit-reg-alloc.c,
jit/jit-reg-alloc.h, jit/jit-rules-arm.c, jit/jit-rules-interp.c,
jit/jit-rules-interp.h, jit/jit-rules-x86.c, jit/jit-rules.h:
interpreter back end code generation for binary, unary, and
branch opcodes.
* doc/libjit.texi, jit/jit-rules-interp.c: fix the Texinfo section
markers in the "Porting" chapter.
* jit/jit-rules-interp.c: code generation for interpreter return's.
* include/jit/jit-except.h, include/jit/jit-function.h,
include/jit/jit-plus.h, jit/jit-except.cpp, jit/jit-function.c,
jit/jit-interp.cpp, jit/jit-interp.h, jit/jit-rules-interp.c,
jitplus/jit-plus-function.cpp: implement "jit_function_apply"
and "jit_function_apply_vararg" for the interpreter back end.
* jitplus/jit-plus-function.cpp: initialization errors in
the C++ binding.
* jit/jit-function.c, jit/jit-insn.c, jit/jit-interp.cpp,
jit/jit-rules-interp.c: work on code generation for function calls.
* doc/libjit.texi, include/jit/jit-insn.h, include/jit/jit-plus.h,
jit/jit-insn.c, jitplus/jit-plus-function.cpp, tutorial/t2.c:
add a "flags" parmeter to "jit_insn_call" and friends, so that
"nothrow", "noreturn", and "tail" options can be supplied.
* jit/jit-dump.c, jit/jit-interp.cpp, jit/jit-interp.h,
jit/jit-opcode.c, jit/jit-rules-interp.c: dump the translated
native code from "jit_dump_function" are compilation.
* jit/jit-interp.cpp, jit/jit-rules-interp.c: argument variable
offsets should in item units, not byte units.
* jit/jit-insn.c, jit/jit-reg-alloc.c, jit/jit-reg-alloc.h,
jit/jit-rules-interp.c: improve register allocation in stacks.
2004-04-25 Rhys Weatherley <rweather@southern-storm.com.au>
* jit/jit-apply-func.h, jit/jit-apply-x86.c, jit/jit-apply-x86.h,
jit/jit-cache.c: use CPU-specifc padding for aligning code
areas with NOP's, for greater runtime efficiency.
* include/jit/jit-elf.h, jit/Makefile.am, jit/jit-elf-write.c:
add the skeleton of the ELF writing routines.
* jit/jit-interp.cpp: modify VM_BR_TARGET so that it is PIC-friendly.
2004-04-24 Rhys Weatherley <rweather@southern-storm.com.au>
* */*: Initial public release. Most of the skeleton code is in place.