2025-12-13 Gabriele Gorla <gorlik@yahoo.com>

  	* src/mos6502/gen.c:
	  Improve restoring registers from DPTR.
  	* src/mos6502/gen.c:
	  Fix structparam regressions failures in stack-auto.
  	* src/mos6502/gen.c:
	  Additional stack pointer tracking.
	  
2025-12-13 Philipp Klaus Krause <philipp@colecovision.eu>

	* src/z80/gen.c,
	  src/z80/peeph.def,
	  support/regression/tests/far_rabbit_fields.c,
	  support/regression/tests/far_rabbits.c.in:
	  Fixes for TLCS-90 and Rabbit __far support.

2025-12-13 Gabriele Gorla <gorlik@yahoo.com>

	* src/mos6502/gen.c:
	  Fix register tracking bug.

2025-12-13 Philipp Klaus Krause <philipp@colecovision.eu>

	* src/SDCCast.c,
	  src/SDCCglobl.h,
	  src/SDCCglue.c,
	  src/SDCCicode.c,
	  src/SDCCicode.h,
	  src/SDCCmain.c,
	  src/SDCCpeeph.c,
	  src/SDCCsymt.c,
	  src/SDCCsymt.h,
	  src/SDCCdwarf2.c,
	  src/SDCCdwarf2.h:
	  Improve const correctness for strings.

2025-12-11 Philipp Klaus Krause <philipp@colecovision.eu>

	* src/z80/gen.c,
	  src/z80/peeph.def,
	  src/z80/ralloc2.cc:
	  Mitigate z80 code size regression from _Optional branch merge.

2025-12-09 Gabriele Gorla <gorlik@yahoo.com>

	* src/mos6502/genplus.c:
	  Minor genPlus optimizations.
  	* src/mos6502/gen.c:
  	  Pointer handling improvements.
	  
2025-12-10 Philipp Klaus Krause <philipp@colecovision.eu>

	* support/regression/tests/bitcount.c.in,
	  support/regression/tests/bitcountleading.c.in,
	  support/regression/tests/bitfirst.c.in,
	  support/regression/tests/bitfirstleading.c.in,
	  device/include/stdbit.h,
	  device/lib/__stdc_trailing_ones.c,
	  support/regression/tests/bitcounttrailing.c.in:
	  Fix bug #3900.

2025-12-10 Gabriele Gorla <gorlik@yahoo.com>

	* device/lib/mos6502/__stdc_bit_width.s,
	  device/lib/mos6502/__stdc_count_ones.s:
	  Add assembly implementations of stdc_bit_width and stdc_count_ones.
  	* src/mos6502/genlshift.c,
	  src/mos6502/genrshift.c:
	  Add optimization for longlong shifts.

2025-12-09 Gabriele Gorla <gorlik@yahoo.com>

	* src/mos6502/genplus.c,
	  src/mos6502/genminus.c:
	  Fix bug in c90-isort.
  	* src/mos6502/gen.c:
  	  Improve genPointerGet and genPointerSet.
  	* src/mos6502/main.c,
  	  src/mos6502/genlshift.c,
  	  device/lib/mos6502/Makefile.in,
  	  device/lib/mos6502/_srulonglong.c,
  	  device/lib/mos6502/_srslonglong.c,
  	  device/lib/mos6502-stack-auto/Makefile.in,
  	  device/lib/mos6502-stack-auto/_srulonglong.c,
  	  device/lib/mos6502-stack-auto/_srslonglong.c,
  	  device/lib/mos65c02/Makefile.in,
  	  device/lib/mos65c02/_srulonglong.c,
  	  device/lib/mos65c02/_srslonglong.c:
  	  Enable longlong shifts without support routines.

2025-12-07 Philipp Klaus Krause <philipp@colecovision.eu>

	* Merge _Optional branch.

2025-12-07 Philipp Klaus Krause <philipp@colecovision.eu>

	* src/SDCCgenconstprop.cc,
	  src/SDCCicode.c,
	  src/SDCCsymt.c: