mit-scheme.git
5 years agoUse proper m4 quotation for AC_CHECK_TOOL usage.
Taylor R Campbell [Sun, 25 Aug 2019 20:27:05 +0000 (20:27 +0000)]
Use proper m4 quotation for AC_CHECK_TOOL usage.

5 years agoTweak workaround for floating exceptions on macOS.
Chris Hanson [Mon, 26 Aug 2019 03:16:36 +0000 (20:16 -0700)]
Tweak workaround for floating exceptions on macOS.

5 years agoMerge branch 'riastradh-20190113-aarch64-v6'
Taylor R Campbell [Sun, 25 Aug 2019 19:49:44 +0000 (19:49 +0000)]
Merge branch 'riastradh-20190113-aarch64-v6'

5 years agoOpen-code floating-point arithmetic on aarch64.
Taylor R Campbell [Sun, 25 Aug 2019 19:48:23 +0000 (19:48 +0000)]
Open-code floating-point arithmetic on aarch64.

Disabled by default for now due to limited testing.

5 years agoReduce some extraneous MOVK instructions in immediate loads.
Taylor R Campbell [Sun, 25 Aug 2019 19:25:34 +0000 (19:25 +0000)]
Reduce some extraneous MOVK instructions in immediate loads.

5 years agoFix set of architectures with busted fp compare exceptions.
Taylor R Campbell [Sun, 25 Aug 2019 19:03:51 +0000 (19:03 +0000)]
Fix set of architectures with busted fp compare exceptions.

5 years agoWork around buggy libm on NetBSD/aarch64.
Taylor R Campbell [Sun, 25 Aug 2019 19:03:01 +0000 (19:03 +0000)]
Work around buggy libm on NetBSD/aarch64.

Will be fixed upstream but it doesn't hurt to add one more bit here.

5 years agoShow for which parameters the test failed.
Taylor R Campbell [Sun, 25 Aug 2019 18:35:37 +0000 (18:35 +0000)]
Show for which parameters the test failed.

5 years agoSimplify flo:-inf.0 and flo:+inf.0.
Taylor R Campbell [Sun, 25 Aug 2019 18:32:03 +0000 (18:32 +0000)]
Simplify flo:-inf.0 and flo:+inf.0.

We have put out a release now whose reader understands +inf.0/-inf.0,
so we should be able to use the notation.

Fixes bugs with incorrectly raising the divide-by-zero exception flag
(even if no trap), e.g.:

;|log1mexp-invalid/(4.9406564584124654e-324)| failed 1 sub-tests out of 1 in 0. seconds:
     assertion 3: value was 3 but expected an object eqv? to 1

Here 3 = (invalid-operation divide-by-zero), 1 = (invalid-operation)
[aarch64].

5 years agoFix missing #include.
Taylor R Campbell [Sun, 25 Aug 2019 18:25:43 +0000 (18:25 +0000)]
Fix missing #include.

Mistake failed silently because it only changed #ifdef outcome.

5 years agoLet caller specify how to get a temporary in ADD-IMMEDIATE.
Taylor R Campbell [Sun, 25 Aug 2019 15:40:15 +0000 (15:40 +0000)]
Let caller specify how to get a temporary in ADD-IMMEDIATE.

Fixes

;  Compiling file: "test-hack.bin" => "test-hack.com"...
;Unassigned variable: *needed-registers*

because of attempt to allocate a temporary in ADD-IMMEDIATE during
GENERATE/REMOTE-LINKS.

5 years agoNew GENERAL-TEMPORARY! shorthand.
Taylor R Campbell [Sun, 25 Aug 2019 15:38:25 +0000 (15:38 +0000)]
New GENERAL-TEMPORARY! shorthand.

5 years agoFix units for cc_entry_to_block_offset/cc_return_to_block_offset.
Taylor R Campbell [Sun, 25 Aug 2019 15:09:11 +0000 (15:09 +0000)]
Fix units for cc_entry_to_block_offset/cc_return_to_block_offset.

It would make more sense for the compiler to generate debug data
labels in instruction units, but this is a simpler change and is what
was done in the past on machines like mips with 32-bit aligned
instructions.

aarch64 now has functioning debug data!

5 years agoFix comment about odd rounding mode.
Taylor R Campbell [Sat, 24 Aug 2019 07:10:39 +0000 (07:10 +0000)]
Fix comment about odd rounding mode.

5 years agoAdd missing include guards.
Taylor R Campbell [Sat, 24 Aug 2019 07:09:39 +0000 (07:09 +0000)]
Add missing include guards.

5 years agoUpdate and clarify fp-env documentation.
Taylor R Campbell [Sat, 24 Aug 2019 07:07:11 +0000 (07:07 +0000)]
Update and clarify fp-env documentation.

5 years agoSimplify flo:update-environment!.
Taylor R Campbell [Sat, 24 Aug 2019 04:32:50 +0000 (04:32 +0000)]
Simplify flo:update-environment!.

Caller is interested in exceptions afterward, so it is not sensible
to deregister interest in the floating-point environment afterward.
If you really want that, surround it in flo:preserving-environment.

5 years agoFix two bugs in floating-point environment.
Taylor R Campbell [Sat, 24 Aug 2019 04:26:31 +0000 (04:26 +0000)]
Fix two bugs in floating-point environment.

1. Don't cache it in the current thread.

   We can't mark everywhere the cache needs to be invalidated --
   i.e., every floating-point instruction -- and it's not clear
   there's any performance benefit to the cache anyway.  The main
   performance cost, as I recall, was swapping environments on every
   thread switch, which we avoid for all threads in the default
   environment.

2. The default environment initialization left the machine in a wacky
   state after reset-package!, which caused many spurious exception
   traps once I undid the cache.  There's no need to preserve the
   machine environment here; we are setting up the default
   environment, after all, so the environment we're in when done
   should be the default one.

5 years agoTest busted flo:set-environment!.
Taylor R Campbell [Sat, 24 Aug 2019 01:40:11 +0000 (01:40 +0000)]
Test busted flo:set-environment!.

5 years agoSimplify some logic by using dedicated scratch registers or targets.
Taylor R Campbell [Sat, 20 Apr 2019 19:48:07 +0000 (19:48 +0000)]
Simplify some logic by using dedicated scratch registers or targets.

No need to allocate temporaries except when we need more than two or
three of them.

5 years agoUse AC_CHECK_TOOL for as and allow configure parameter.
Taylor R Campbell [Thu, 22 Aug 2019 14:23:08 +0000 (14:23 +0000)]
Use AC_CHECK_TOOL for as and allow configure parameter.

This way we auto-detect a cross-assembler more easily with, e.g.,
--build=aarch64--netbsd.

5 years agoFix sign error in previous.
Taylor R Campbell [Mon, 22 Apr 2019 04:07:27 +0000 (04:07 +0000)]
Fix sign error in previous.

5 years agoLink the endian-independent cmpauxmd for aarch64.
Taylor R Campbell [Sat, 20 Apr 2019 20:09:12 +0000 (20:09 +0000)]
Link the endian-independent cmpauxmd for aarch64.

5 years agoUpdate aarch64 release note.
Taylor R Campbell [Sat, 9 Feb 2019 17:40:30 +0000 (17:40 +0000)]
Update aarch64 release note.

5 years agoValidate signed-26 PC-relative offset in B instruction.
Taylor R Campbell [Fri, 1 Feb 2019 05:30:38 +0000 (05:30 +0000)]
Validate signed-26 PC-relative offset in B instruction.

5 years agoComment out bogus ADRP-ADD pseudo-instruction definition.
Taylor R Campbell [Fri, 1 Feb 2019 05:29:29 +0000 (05:29 +0000)]
Comment out bogus ADRP-ADD pseudo-instruction definition.

This will cause the compiler to fail noisily if it tries to assemble
code with sufficiently distant PC-relative addresses, which is better
than silently assembling garbage.

Need to find a proper fix.

5 years agoNo need for a separate function here.
Taylor R Campbell [Fri, 25 Jan 2019 04:35:12 +0000 (04:35 +0000)]
No need for a separate function here.

5 years agoFix comment about ADRP to reflect reality.
Taylor R Campbell [Fri, 25 Jan 2019 04:31:15 +0000 (04:31 +0000)]
Fix comment about ADRP to reflect reality.

5 years agoAdd another step to the compiler tests README.
Taylor R Campbell [Fri, 25 Jan 2019 04:30:38 +0000 (04:30 +0000)]
Add another step to the compiler tests README.

5 years agoAdd note on ughbletchness of ADRP.
Taylor R Campbell [Fri, 25 Jan 2019 04:21:09 +0000 (04:21 +0000)]
Add note on ughbletchness of ADRP.

5 years agoAdd some basic compiler tests.
Taylor R Campbell [Fri, 25 Jan 2019 03:56:51 +0000 (03:56 +0000)]
Add some basic compiler tests.

For use when bringing up a compiler or back end that can't yet run
the normal test suite.

5 years agoFix some bugs in logical immediate encoding.
Taylor R Campbell [Fri, 25 Jan 2019 03:39:32 +0000 (03:39 +0000)]
Fix some bugs in logical immediate encoding.

5 years agoOne more TODO item.
Taylor R Campbell [Wed, 23 Jan 2019 08:17:57 +0000 (08:17 +0000)]
One more TODO item.

5 years agoUpdate TODO.
Taylor R Campbell [Wed, 23 Jan 2019 08:15:50 +0000 (08:15 +0000)]
Update TODO.

5 years agoDisable some tests when trapping is busted.
Taylor R Campbell [Wed, 23 Jan 2019 08:12:26 +0000 (08:12 +0000)]
Disable some tests when trapping is busted.

5 years agoExpect failure, not error, if trapping is not supported.
Taylor R Campbell [Wed, 23 Jan 2019 07:52:00 +0000 (07:52 +0000)]
Expect failure, not error, if trapping is not supported.

Makes these tests pass on my arm64 laptop.

5 years agoCheck at runtime whether feenableexcept does anything.
Taylor R Campbell [Wed, 23 Jan 2019 07:50:38 +0000 (07:50 +0000)]
Check at runtime whether feenableexcept does anything.

The bits are defined on aarch64, but apparently some CPUs are
fabricated without support for them so they just read back as zers.
Bummer!

5 years agoFix excessive sign bits in uuo link instruction.
Taylor R Campbell [Wed, 23 Jan 2019 07:49:00 +0000 (07:49 +0000)]
Fix excessive sign bits in uuo link instruction.

5 years agoFix displaced byte load rule.
Taylor R Campbell [Wed, 23 Jan 2019 05:33:39 +0000 (05:33 +0000)]
Fix displaced byte load rule.

The offset is not a machine register!  Yikes.

5 years agoFix FIXNUM-NOT rule: don't set the low bits.
Taylor R Campbell [Wed, 23 Jan 2019 05:21:52 +0000 (05:21 +0000)]
Fix FIXNUM-NOT rule: don't set the low bits.

5 years agoImplement aarch64 logical immediate encoding.
Taylor R Campbell [Wed, 23 Jan 2019 05:21:34 +0000 (05:21 +0000)]
Implement aarch64 logical immediate encoding.

5 years agoFix far uuo links.
Taylor R Campbell [Wed, 23 Jan 2019 03:02:31 +0000 (03:02 +0000)]
Fix far uuo links.

Apparently ADRP really does do Rd <- (PC & ~0xfff) + (imm << 12), not
PC + (imm << 12), which means it's gonna cause some trouble for the
assembler in LIAR, since it means the code needs to know its own
offset within a page of memory and the target's offset within a page
of memory.

5 years agoFix loading complemented immediates.
Taylor R Campbell [Wed, 23 Jan 2019 03:02:16 +0000 (03:02 +0000)]
Fix loading complemented immediates.

5 years agoFix UNSIGNED-LESS-THAN-FIXNUM? branch condition.
Taylor R Campbell [Wed, 23 Jan 2019 03:01:43 +0000 (03:01 +0000)]
Fix UNSIGNED-LESS-THAN-FIXNUM? branch condition.

Add some condition code aliases while here and clarify comments.

5 years agoFix indexing of remote links.
Taylor R Campbell [Tue, 22 Jan 2019 09:01:33 +0000 (09:01 +0000)]
Fix indexing of remote links.

5 years agoFix byte ordering in GENERATE/NSECTS.
Taylor R Campbell [Tue, 22 Jan 2019 03:47:47 +0000 (03:47 +0000)]
Fix byte ordering in GENERATE/NSECTS.

5 years agoFix register choices in GENERATE/REMOTE-LINKS.
Taylor R Campbell [Tue, 22 Jan 2019 03:47:35 +0000 (03:47 +0000)]
Fix register choices in GENERATE/REMOTE-LINKS.

5 years agoFix sense of INVOCATION-PREFIX:DYNAMIC-LINK choice.
Taylor R Campbell [Tue, 22 Jan 2019 03:47:03 +0000 (03:47 +0000)]
Fix sense of INVOCATION-PREFIX:DYNAMIC-LINK choice.

5 years agoFix reference to constant section in GENERATE/REMOTE-LINKS.
Taylor R Campbell [Tue, 22 Jan 2019 01:55:18 +0000 (01:55 +0000)]
Fix reference to constant section in GENERATE/REMOTE-LINKS.

5 years agoSign-extend PC-relative branch target.
Taylor R Campbell [Mon, 21 Jan 2019 23:37:32 +0000 (23:37 +0000)]
Sign-extend PC-relative branch target.

5 years agoFix indexing in MOVE-FRAME-UP code: objects, not bytes, here.
Taylor R Campbell [Mon, 21 Jan 2019 22:39:29 +0000 (22:39 +0000)]
Fix indexing in MOVE-FRAME-UP code: objects, not bytes, here.

And with this, the cold load completes on aarch64!

5 years agoFix large application setup.
Taylor R Campbell [Mon, 21 Jan 2019 22:39:11 +0000 (22:39 +0000)]
Fix large application setup.

5 years agoTeach cmpintmd to flush the instruction cache on aarch64.
Taylor R Campbell [Mon, 21 Jan 2019 20:59:02 +0000 (20:59 +0000)]
Teach cmpintmd to flush the instruction cache on aarch64.

5 years agoFix argument to PUSH_D_CACHE_REGION.
Taylor R Campbell [Mon, 21 Jan 2019 20:53:14 +0000 (20:53 +0000)]
Fix argument to PUSH_D_CACHE_REGION.

Takes startptr/count, not startptr/endptr.

This was not an issue before because until aarch64, the only extant
port that even used this, i386, ignored the argument as a macro and
flushed the entire cache.

5 years agoFix branch instruction in uuo link stub.
Taylor R Campbell [Mon, 21 Jan 2019 19:06:38 +0000 (19:06 +0000)]
Fix branch instruction in uuo link stub.

5 years agoTweak read/write_compiled_closure_target for clarity and assertions.
Taylor R Campbell [Mon, 21 Jan 2019 19:06:20 +0000 (19:06 +0000)]
Tweak read/write_compiled_closure_target for clarity and assertions.

5 years agoFix cache-assignment code generation.
Taylor R Campbell [Mon, 21 Jan 2019 19:06:02 +0000 (19:06 +0000)]
Fix cache-assignment code generation.

5 years agoFix case.
Taylor R Campbell [Mon, 21 Jan 2019 19:05:51 +0000 (19:05 +0000)]
Fix case.

5 years agoFix LSR instruction encoding.
Taylor R Campbell [Mon, 21 Jan 2019 01:20:14 +0000 (01:20 +0000)]
Fix LSR instruction encoding.

5 years agoFix scale->shift.
Taylor R Campbell [Mon, 21 Jan 2019 00:37:29 +0000 (00:37 +0000)]
Fix scale->shift.

5 years agoFix read/write_compiled_closure_target.
Taylor R Campbell [Sun, 20 Jan 2019 21:36:42 +0000 (21:36 +0000)]
Fix read/write_compiled_closure_target.

Byte offsets, not object or instruction word offsets.

5 years agoFix comment.
Taylor R Campbell [Sun, 20 Jan 2019 20:10:39 +0000 (20:10 +0000)]
Fix comment.

5 years agoFix PC-relative calculations to work entirely in newspace.
Taylor R Campbell [Sun, 20 Jan 2019 00:19:13 +0000 (00:19 +0000)]
Fix PC-relative calculations to work entirely in newspace.

5 years agoFix read/write_compiled_closure_target offsets.
Taylor R Campbell [Sun, 20 Jan 2019 00:18:55 +0000 (00:18 +0000)]
Fix read/write_compiled_closure_target offsets.

5 years agoAllow non-branch in cc_return_address_to_entry_address.
Taylor R Campbell [Sat, 19 Jan 2019 23:57:34 +0000 (23:57 +0000)]
Allow non-branch in cc_return_address_to_entry_address.

This happens for trampolines.  Maybe this should be a special case.

5 years agoFix scaling of PC offsets: they're byte offsets, not word offsets.
Taylor R Campbell [Sat, 19 Jan 2019 23:57:08 +0000 (23:57 +0000)]
Fix scaling of PC offsets: they're byte offsets, not word offsets.

5 years agoFix some symbol sizing.
Taylor R Campbell [Sat, 19 Jan 2019 23:56:55 +0000 (23:56 +0000)]
Fix some symbol sizing.

5 years agoTidy up interface_to_C.
Taylor R Campbell [Sat, 19 Jan 2019 23:56:45 +0000 (23:56 +0000)]
Tidy up interface_to_C.

5 years agoNote there is a way to do negative offsets.
Taylor R Campbell [Sat, 19 Jan 2019 23:56:31 +0000 (23:56 +0000)]
Note there is a way to do negative offsets.

5 years agoMake C_to_interface go through interface_to_scheme.
Taylor R Campbell [Sat, 19 Jan 2019 22:43:03 +0000 (22:43 +0000)]
Make C_to_interface go through interface_to_scheme.

This way C_to_interface sets up VAL, which is necessary in case it is
invoking a continuation.

5 years agoFix encoding of ROR and EXTR instructions.
Taylor R Campbell [Sat, 19 Jan 2019 21:20:47 +0000 (21:20 +0000)]
Fix encoding of ROR and EXTR instructions.

5 years agoLoad UARG2, don't clobber UARG1, in apply hooks.
Taylor R Campbell [Sat, 19 Jan 2019 20:51:56 +0000 (20:51 +0000)]
Load UARG2, don't clobber UARG1, in apply hooks.

5 years agoFix calculation of hook instruction address.
Taylor R Campbell [Sat, 19 Jan 2019 20:51:44 +0000 (20:51 +0000)]
Fix calculation of hook instruction address.

5 years agoFix order of arguments to load-tagged-immediate.
Taylor R Campbell [Sat, 19 Jan 2019 18:33:01 +0000 (18:33 +0000)]
Fix order of arguments to load-tagged-immediate.

5 years agoFix reversed byte order branches in read_uuo_frame_size.
Taylor R Campbell [Sat, 19 Jan 2019 08:03:54 +0000 (08:03 +0000)]
Fix reversed byte order branches in read_uuo_frame_size.

5 years agoFix extraction of PC offset from branch instruction.
Taylor R Campbell [Sat, 19 Jan 2019 08:03:41 +0000 (08:03 +0000)]
Fix extraction of PC offset from branch instruction.

5 years agoFix format word padding and tweak block offsets.
Taylor R Campbell [Sat, 19 Jan 2019 08:02:50 +0000 (08:02 +0000)]
Fix format word padding and tweak block offsets.

We already arranged for all entries to be 64-bit aligned, so we might
as well take advantage of that in block offsets.

5 years agoFix uuo link and trampoline instructions.
Taylor R Campbell [Fri, 18 Jan 2019 08:15:28 +0000 (08:15 +0000)]
Fix uuo link and trampoline instructions.

5 years agoMake interface_to_scheme match reality, not sensibility.
Taylor R Campbell [Fri, 18 Jan 2019 07:13:32 +0000 (07:13 +0000)]
Make interface_to_scheme match reality, not sensibility.

Should change cmpint.c so we pass a separate dispatch routine in for
entries and continuations, but that requires changing all the
cmpauxen at once.

5 years agoCompiler oughta agree cmpauxmd about what register is stack pointer.
Taylor R Campbell [Fri, 18 Jan 2019 07:13:15 +0000 (07:13 +0000)]
Compiler oughta agree cmpauxmd about what register is stack pointer.

5 years agoSimplify format words: make them always be instruction words.
Taylor R Campbell [Fri, 18 Jan 2019 07:03:11 +0000 (07:03 +0000)]
Simplify format words: make them always be instruction words.

No need for endianness conditionalization.

5 years agoFix passage of dynamic-link. Only machine register, not regblock.
Taylor R Campbell [Fri, 18 Jan 2019 06:23:00 +0000 (06:23 +0000)]
Fix passage of dynamic-link.  Only machine register, not regblock.

5 years agoAssert block offset is zero.
Taylor R Campbell [Fri, 18 Jan 2019 06:22:18 +0000 (06:22 +0000)]
Assert block offset is zero.

5 years agoAdd a TODO.
Taylor R Campbell [Wed, 16 Jan 2019 04:48:27 +0000 (04:48 +0000)]
Add a TODO.

5 years agoTeach ucode identify about aarch64.
Taylor R Campbell [Wed, 16 Jan 2019 04:47:27 +0000 (04:47 +0000)]
Teach ucode identify about aarch64.

Also make this always return a string here, so it doesn't crash on
boot if it hasn't been taught about new compiled code types.

5 years agoSave an instruction in multiplication with CSETM.
Taylor R Campbell [Wed, 16 Jan 2019 04:47:13 +0000 (04:47 +0000)]
Save an instruction in multiplication with CSETM.

5 years agoTweak some register numbering to reduce a bit of code.
Taylor R Campbell [Wed, 16 Jan 2019 04:47:00 +0000 (04:47 +0000)]
Tweak some register numbering to reduce a bit of code.

5 years agoFix register block indexing: no hooks in the register block here.
Taylor R Campbell [Wed, 16 Jan 2019 04:46:17 +0000 (04:46 +0000)]
Fix register block indexing: no hooks in the register block here.

5 years agoFix add/sub immediate syntax and criterion.
Taylor R Campbell [Tue, 15 Jan 2019 17:27:45 +0000 (17:27 +0000)]
Fix add/sub immediate syntax and criterion.

5 years agoUse a temporary if necessary in AFFIX-TYPE.
Taylor R Campbell [Tue, 15 Jan 2019 16:37:11 +0000 (16:37 +0000)]
Use a temporary if necessary in AFFIX-TYPE.

5 years agoDraft aarch64 cmpauxmd.
Taylor R Campbell [Tue, 15 Jan 2019 16:29:02 +0000 (16:29 +0000)]
Draft aarch64 cmpauxmd.

5 years agoFix push order in move-frame-up / dynamic-link.
Taylor R Campbell [Tue, 15 Jan 2019 03:48:25 +0000 (03:48 +0000)]
Fix push order in move-frame-up / dynamic-link.

5 years agoFix some instruction syntax bugs.
Taylor R Campbell [Tue, 15 Jan 2019 03:20:21 +0000 (03:20 +0000)]
Fix some instruction syntax bugs.

- Specify target _and_ source -- we're not x86 here.
- Specify operand size.
- Specify multipliers correctly.

5 years agoAvoid REGISTER-COPY-IF-AVAILABLE and TEMPORARY-COPY-IF-AVAILABLE.
Taylor R Campbell [Tue, 15 Jan 2019 03:19:18 +0000 (03:19 +0000)]
Avoid REGISTER-COPY-IF-AVAILABLE and TEMPORARY-COPY-IF-AVAILABLE.

These give out register references, which are a pain.  Just use
REUSE-PSEUDO-REGISTER-IF-AVAILABLE! to get the machine register
number.

5 years agoDisable floating-point vector primitives too.
Taylor R Campbell [Tue, 15 Jan 2019 03:18:32 +0000 (03:18 +0000)]
Disable floating-point vector primitives too.

Until we have open-coded floating-point arithmetic.

5 years agoMake RTL:CONSTANT-COST always return positive.
Taylor R Campbell [Tue, 15 Jan 2019 03:17:35 +0000 (03:17 +0000)]
Make RTL:CONSTANT-COST always return positive.

Otherwise CSE might substitute constants for registers where at best
it's not helpful and at worst we don't have rules for it.

5 years agoFix up some instruction decriptions.
Taylor R Campbell [Tue, 15 Jan 2019 03:15:35 +0000 (03:15 +0000)]
Fix up some instruction decriptions.

- Migrate some things with citations and updates to instr1.scm.
- No need for `(evaluation ,terms) in fixed-width instructions.
- Fix some missing or duplicated bits.
- Add some more instructions.

5 years agoUmptuple-check that instruction widths sum to multiples of 32 bits.
Taylor R Campbell [Tue, 15 Jan 2019 03:14:40 +0000 (03:14 +0000)]
Umptuple-check that instruction widths sum to multiples of 32 bits.

5 years agoPut something in these stub files so they compile as code.
Taylor R Campbell [Tue, 15 Jan 2019 03:12:46 +0000 (03:12 +0000)]
Put something in these stub files so they compile as code.

Otherwise the portable fasdumper barfs trying to fasdump a pathname.

5 years agoUpdate config.guess and config.sub so they recognize aarch64.
Taylor R Campbell [Tue, 15 Jan 2019 03:12:25 +0000 (03:12 +0000)]
Update config.guess and config.sub so they recognize aarch64.