2026-09-08 Gabriele Gorla <gorlik@yahoo.com>

	* support/regression/Makefile.in,
      support/regression/ports/mos6502:
	  Removed unmantained support for sim65.
    * support/regression/ports/uc65c02/uCsim.cmd,
      support/regression/ports/uc65c02/spec.mk,
      support/regression/ports/uc6502/spec.mk,
      support/regression/ports/uc6502-stack-auto/spec.mk,
      support/regression/ports/uc6280/spec.mk:
      Spec files cleanup.
    * src/mos6502/gen.c,
      src/mos6502/m6502.h,
      src/mos6502/main.c,
      src/mos6502/port_huc6280.c,
      src/mos6502/port_mos6502.c,
      src/mos6502/port_mos65c02.c,
      src/mos6502/stackops.c,
      src/mos6502/tempops.c:
      Improve handling of enhanced instructions.
    * configure,
      configure.ac,
      device/lib/Makefile.in,
      device/lib/clean.mk,
      device/lib/mos65c02/_muluchar.s,
      device/lib/mos65c02/_setjmp.s,
      support/regression/MakeList,
      support/regression/ports/uc65c02/spec.mk,
      device/lib/mos65c02-stack-auto,
      device/lib/mos65c02-stack-auto/Makefile.in,
      device/lib/mos65c02-stack-auto/__sdcc_indirect_jsr.s,
      device/lib/mos65c02-stack-auto/__sdcc_regs.s,
      device/lib/mos65c02-stack-auto/_muluchar.s,
      device/lib/mos65c02-stack-auto/_setjmp.s,
      device/lib/mos65c02-stack-auto/atomic_flag_test_and_set.c,
      device/lib/mos65c02-stack-auto/crt0.s,
      support/regression/ports/uc65c02-stack-auto,
      support/regression/ports/uc65c02-stack-auto/support.c,
      support/regression/ports/uc65c02-stack-auto/spec.mk,
      support/regression/ports/uc65c02-stack-auto/uCsim.cmd:
      Add mos65c02-stack-auto target and regression.
    * device/lib/mos6502-stack-auto/Makefile.in,
      device/lib/mos6502-stack-auto/_muluchar.s,
      device/lib/mos6502-stack-auto/_setjmp.s,
      device/lib/mos65c02/_muluchar.s,
      device/lib/mos65c02/_setjmp.s,
      src/mos6502/port_huc6280.c,
      src/mos6502/port_mos6502.c,
      src/mos6502/port_mos65c02.c:
      Small cleanups.

2026-09-08 Maarten Brock <sourceforge.brock AT dse.nl>

	* src/SDCCmem.c (printAllocInfo): print bit and pdata info
	* src/SDCCpeeph.c (operandBaseName): not everything starting with 'a' is acc
	  (notUsed): mark regs from ic SEND and RET as used
	* src/mcs51/gen.c (cheapMove): optimize indirect copies to self
	  (mcs51IsReturned, mcs51IsRegArg): bugfix also check dname
	* src/mcs51/main.c (updateOpRW): track bits
	* src/mcs51/peep.c (scan4op): check bits
	  (mcs51notUsed): check all 8 regs and also the bits

2026-09-06 Gabriele Gorla <gorlik@yahoo.com>

	* sdas/linksrc/lklist.c:
	  Remove double printing of header.

2026-09-05 Maarten Brock <sourceforge.brock AT dse.nl>

	* device/lib/_divslonglong.c: optimized
	* device/lib/mcs51/crtxpopr0.asm,
	* device/lib/mcs51/crtxpop.asm: made register bank independent
	* src/mcs51/gen.c (genUminusFloat): optimized in-place uminus,
	  (genAnd, genOr, genXor): optimized IMMEDIATE
	* src/mcs51/main.c (mcs51opcodeDataTable): fixed jc/jnc reads psw
	* src/mcs51/peeph.def: swapped rules 302 & 303,
	  fixed volatile, more general dead mov removal
	* support/regression/collate-results.py: print in fixed columns for easier
	  comparison by a human

2026-09-02 Gabriele Gorla <gorlik@yahoo.com>

	* sdas/asxxsrc/aslist.c: Apply patch from bug #4049, Thanks Jan Andersen.
	* support/regression/bug-2326.c: Add regression for bug #2326.

2026-09-01 Maarten Brock <sourceforge.brock AT dse.nl>

	* sdas/asxxsrc/asexpr.c (term),
	* sdas/as8051/i51adr.c (addr): moved handling of bit-addressable [n] from
	  term() to addr()
	* sdas/linksrc/lklist.c: fixed warning
	* sdas/linksrc/lkmem.c: fixed warning
	* src/SDCCglue.c (glue): removed equates for b0-b7
	* src/mcs51/ralloc.c,
	* src/ds390/ralloc.c: renamed b0 - b7 to bits[0] - bits[7]
	* src/mcs51/gen.c (genMinusBits): replaced conditional jump with addition
	  same #bytes, allows optimization if some Rn==0
	  (genLeftShift, genSignedRightShift, genRightShift): removed redundant code
	* src/mcs51/main.c: made mcs51opcodeDataTable const
	* support/util/NewAlloc.c (Safe_strndup): fixed warning