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	* 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.

	* 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