Merge pull request #570 from MatthewFluet/misc-updates

Misc updates: LICENSE date; CHANGELOG; WASMTIME to EMULATE in runtime/Makefile

CHANGELOG.adoc

@@ -8,11 +8,57 @@ Here are the changes from version 20210117 to YYYYMMDD.
 
 === Details
 
+* 2024-05-22
+  ** Optimize representation of sequences in `Useless` SSA
+  optimization.
+
+* 2024-05-21
+  ** Add support for WebAssembly architecture (`wasm32`) and WASI
+  "operating system", available together as the `wasm32-wasi`
+  platform.  Thanks to Adam Goode for the pull request.
+
+* 2024-05-16
+  ** Fix bug in heap resizing that could lead to segmentation fault.
+  Thanks to Humza Shahid (hummy123) for the bug report.
+
+* 2024-05-15
+  ** Fix bug in handling of `WordXVector` constants in `Useless` SSA
+  optimization that could lead to internal compiler errors.  Thanks to
+  Humza Shahid (hummy123) for the bug report.
+
 * 2024-05-13
   ** Fix bug in `#line` directives that fails to acceptable
   `(*#line line *"file" )`, which should be accepted with a default
   column of 1.  Thanks to Norman Ramsey for the bug report.
 
+* 2024-03-17
+  ** Update elaboration error messages involving constants and infix
+  patterns and expressions.
+
+* 2024-01-19
+  ** Add support for LoongArch64 architecture.  Thanks to JiaLing
+  Zhang for the pull request.
+
+* 2023-11-22
+  ** Fix bug in `ImperativeIO.getInstream`.  Thanks to Murray Calavera
+  (ii8) for the bug report.
+
+* 2023-11-17
+  ** Fix bug with `-align 4` and mark-compact GC.
+
+* 2023-11-11
+  ** Fix bug/inefficiency in register allocation for x86
+  floating-point stack.
+
+* 2023-11-09
+  ** Fix bug in frame allocation of handler offset and args that
+  could, in rare circumstances, lead to a `Machine.typeCheck` internal
+  compiler error.
+
+* 2023-11-08
+  ** Eliminate ``bash``isms from `bin/mlton` script.  Thanks to Murray
+  Calavera (ii8) for the pull request.
+
 * 2023-08-31
   ** Fix bug in x86 and amd64 native codegens leading to an internal
   compiler error
@@ -24,6 +70,10 @@ Here are the changes from version 20210117 to YYYYMMDD.
   meridian.  Thanks to Arata Mizuki (minoki) for the bug report and
   suggested fix.
 
+* 2023-07-21
+  ** Update default `-cc-opt` and `-link-opt` options for
+  `powerpc-darwin` and `powerpc64-darwin` platforms.
+
 * 2023-05-29
   ** Fix bugs in `WORD.scan` when `0` is followed by `w` or `x` or
   `wx` but not by more digits.  Thanks to Arata Mizuki (minoki) for
@@ -32,6 +82,10 @@ Here are the changes from version 20210117 to YYYYMMDD.
 * 2023-05-26
   ** Update SML/NJ libraries to SML/NJ 110.99.3.
 
+* 2023-05-22
+  ** Adapt default `-llvm-opt-opt` options to LLVM's "New Pass
+  Manager"; using the LLVM codegen requires LLVM 14 (or higher).
+
 * 2022-11-16
   ** Fix bug in `GC_sequenceCopy` failing to update card map when
   copying object pointers.  Thanks to Chris Cannam for the bug report

LICENSE

@@ -7,7 +7,7 @@ license.  Send comments and questions to MLton@mlton.org.
 
 MLton COPYRIGHT NOTICE, LICENSE AND DISCLAIMER.
 
-Copyright (C) 1999-2023 Henry Cejtin, Matthew Fluet, Suresh
+Copyright (C) 1999-2024 Henry Cejtin, Matthew Fluet, Suresh
    Jagannathan, and Stephen Weeks.
 Copyright (C) 1997-2000 by the NEC Research Institute
 

runtime/Makefile

@@ -1,4 +1,4 @@
-## Copyright (C) 2010-2013,2018,2019-2022 Matthew Fluet.
+## Copyright (C) 2010-2013,2018,2019-2022,2024 Matthew Fluet.
  # Copyright (C) 1999-2009 Henry Cejtin, Matthew Fluet, Suresh
  #    Jagannathan, and Stephen Weeks.
  # Copyright (C) 1997-2000 NEC Research Institute.
@@ -20,7 +20,12 @@ endif
 
 EXE :=
 
-WASMTIME :=
+# Building the runtime for a target platform requires executing target-platform
+# executables (eg., `gen/gen-types` to determine the sizes of C types).
+# When cross compiling, it may be possible/necessary to emulate/execute the
+# target-platform executable on the host platform (e.g., Wasmtime to execute
+# WebAssembly programs).
+EMULATE :=
 
 MDVARIANTS := OPT DBG
 PIVARIANTS := DPI NPI PIC PIE
@@ -113,7 +118,7 @@ EXE := .exe
 endif
 
 ifeq ($(TARGET_OS), wasi)
-WASMTIME := wasmtime
+EMULATE := wasmtime
 XCPPFLAGS += -D_WASI_EMULATED_SIGNAL \
              -D_WASI_EMULATED_PROCESS_CLOCKS \
              -D_WASI_EMULATED_GETPID
@@ -251,11 +256,11 @@ ml-types.h: gen/ml-types.h
 	$(CP) $< $@
 
 gen/ml-types.h: gen/gen-types$(EXE)
-	$(WASMTIME) ./gen/gen-types$(EXE) ml-types.h > gen/ml-types.h
+	$(EMULATE) ./gen/gen-types$(EXE) ml-types.h > gen/ml-types.h
 gen/c-types.h: gen/gen-types$(EXE)
-	$(WASMTIME) ./gen/gen-types$(EXE) c-types.h > gen/c-types.h
+	$(EMULATE) ./gen/gen-types$(EXE) c-types.h > gen/c-types.h
 gen/c-types.sml: gen/gen-types$(EXE)
-	$(WASMTIME) ./gen/gen-types$(EXE) c-types.sml > gen/c-types.sml
+	$(EMULATE) ./gen/gen-types$(EXE) c-types.sml > gen/c-types.sml
 
 ifneq ($(MAKECMDGOALS),clean)
 -include gen/gen-types.d
@@ -274,7 +279,7 @@ gen/$(1): gen/gen-basis-ffi.sml gen/basis-ffi.def
 	touch gen/$(1)
 else
 gen/$(1): gen/gen-basis-ffi$(EXE) gen/basis-ffi.def
-	$(WASMTIME) ./gen/gen-basis-ffi$(EXE) $(1) < gen/basis-ffi.def > gen/$(1)
+	$(EMULATE) ./gen/gen-basis-ffi$(EXE) $(1) < gen/basis-ffi.def > gen/$(1)
 	$(CAT) gen/gen-basis-ffi.sml gen/basis-ffi.def gen/$(1) | $(SHA1DGST) > gen/$(1).chk
 endif
 endef
@@ -319,7 +324,7 @@ gdtoa/README: gdtoa.tgz gdtoa.may_alias-unions.patch gdtoa.rename-public-fns.pat
 	@touch $@
 
 gdtoa/arith.h: gdtoa/arithchk$(EXE)
-	$(WASMTIME) ./gdtoa/arithchk$(EXE) > gdtoa/arith.h
+	$(EMULATE) ./gdtoa/arithchk$(EXE) > gdtoa/arith.h
 
 gdtoa/arithchk.c: gdtoa/README
 	@touch $@
@@ -331,7 +336,7 @@ ifneq ($(MAKECMDGOALS),clean)
 endif
 
 gdtoa/gd_qnan.h: gdtoa/qnan$(EXE)
-	$(WASMTIME) ./gdtoa/qnan$(EXE) > gdtoa/gd_qnan.h
+	$(EMULATE) ./gdtoa/qnan$(EXE) > gdtoa/gd_qnan.h
 
 gdtoa/qnan.c: gdtoa/README
 	@touch $@
@@ -360,7 +365,7 @@ $(eval $(call A_TEMPLATE,mlton,MLTON))
 ### gen/constants ###
 
 gen/constants: gen/gen-constants$(EXE)
-	$(WASMTIME) ./gen/gen-constants > gen/constants
+	$(EMULATE) ./gen/gen-constants > gen/constants
 
 ifneq ($(MAKECMDGOALS),clean)
 -include gen/gen-constants.d