2026-05-03 Philipp Klaus Krause <philipp@colecovision.eu>

	* src/SDCCgenconstprop.cc,
	  src/SDCCicode.c:
	  Improve optimizations based on generalized constnat propagation for global variables, RFE #534.

2026-05-03 Philipp Klaus Krause <philipp@colecovision.eu>

	* src/SDCCcse.c,
	  src/SDCCgenconstprop.cc,
	  src/SDCCicode.c,
	  src/SDCClospre.cc,
	  src/*/gen.c,
	  src/*/ralloc.c,
	  src/*/ralloc2.cc,
	  src/pic16/genutils.c,
	  src/ds390/gen.h:
	  Remove ~ iCode, RFE #971.

2026-05-03 Philipp Klaus Krause <philipp@colecovision.eu>

	* src/z80/gen.c,
	  src/z80/peeph.def,
	  support/regression/tests/gcc-torture-execute-20000412-3.c:
	  Fix bug #3983.

2026-05-03 Philipp Klaus Krause <philipp@colecovision.eu>

	* doc/sdccman.lyx:
	  Document lack of #embed in C23 mode.
	* support/regression/MakeList,
	  support/regression/tests/gcc-torture-execute-*.c:
	  Enable test cases from GCC for features that have since been implemented in SDCC.

2026-05-02 Gabriele Gorla <gorlik@yahoo.com>

	* Makefile.in,
	  Makefile.common.in:
	  Fix build issue introduced by [r16487]
	* src/mos6502/ralloc2.cc,
	  src/hc08/ralloc2.cc:
	  Fix several typos.
	* src/mos6502/genplus.c:
      Fix corner case in genPlusInc().
	* src/mos6502/gen.c:
      Free registers in genEndFunction for void functions.

2026-05-01 Philipp Klaus Krause <philipp@colecovision.eu>

	* Makefile.in:
	  Fix bug #3980.
	* src/z80/gen.c,
	  support/regression/tests/bug-3981.c:
	  Fix bug #3981.

2026-04-28 Philipp Klaus Krause <philipp@colecovision.eu>

	* Merge _Optional branch.

2026-04-28 Philipp Klaus Krause <philipp@colecovision.eu>

	* src/SDCCicode.c,
	  support/valdiag/tests/_Optional-draft-2026-04-17.c,
	  support/valdiag/tests/bug-3953.c:
	  Fix bug #3953.

2026-04-28 Philipp Klaus Krause <philipp@colecovision.eu>

	* src/SDCCast.c,
	  src/SDCCicode.c,
	  src/SDCCsymt.c,
	  src/SDCCgenconstprop.cc,
	  support/valdiag/tests/_Optional.c,#
	  support/valdiag/tests/_Optional-draft-2026-04-17.c:
	  Bring _Optional semantics closer to latest TS draft.

2026-04-28 Philipp Klaus Krause <philipp@colecovision.eu>

	* src/SDCCast.c,
	  src/SDCCerr.c,
	  src/SDCCerr.h,
	  src/SDCCmem.c,
	  src/SDCCsymt.c,
	  src/SDCCsymt.h,
	  support/valdiag/tests/bug-3964.c:
	  Fix bug #3964.

2026-04-27 Philipp Klaus Krause <philipp@colecovision.eu>

	* support/regression/MakeList:
	  Disable a test for uc6502-stack-auto target, where it would overflow the stack.
	* support/regression/fwk/include/testfwk.h,
	  support/regression/tests/bug-460444.c,
	  support/regression/tests/gcc-torture-execute-20050826-1.c,
	  support/regression/tests/gcc-torture-execute-920810-1.c,
	  support/regression/tests/logic.c.in,
	  support/regression/tests/simplefloat.c,
	  support/regression/README-tests:
	  Fix bug #3893.
	* support/valdiag/tests/_Optional.c: