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Differential D45052

libgcc_s: __extendxftf2 and __trunctfxf2 are amd64-only
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Authored by brooks on May 1 2024, 10:00 PM.
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arichardson
dim
emaste
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rG723e60a278b1: libgcc_s: __extendxftf2 and __trunctfxf2 are amd64-only
Summary

extendxftf2 and trunctfxf2 build on amd64 not aarch64 and riscv.

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rG FreeBSD src repository
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Buildable 57547
Build 54435: arc lint + arc unit

Event Timeline

brooks created this revision.May 1 2024, 10:00 PM
Herald added a subscriber: imp. · View Herald TranscriptMay 1 2024, 10:00 PM
brooks requested review of this revision.May 1 2024, 10:00 PM
Harbormaster completed remote builds in B57520: Diff 137986.May 1 2024, 10:00 PM
brooks mentioned this in D45034: libgcc_s: Don't build __extendxftf2 and __trunctfxf2.May 1 2024, 10:02 PM
brooks added a child revision: D44216: Make WITHOUT_UNDEFINED_VERSION the default.
brooks mentioned this in D44216: Make WITHOUT_UNDEFINED_VERSION the default.May 1 2024, 10:17 PM
arichardson added inline comments.May 2 2024, 6:28 AM
lib/libgcc_s/Symbol.map
225

Shouldn't this be an or? Although I'm not entirely sure if it builds for i386 since it needs int128.

emaste added a subscriber: emaste.May 2 2024, 12:25 PM
brooks retitled this revision from libgcc_s: __extendxftf2 and __trunctfxf2 are x86 symbols to libgcc_s: __extendxftf2 and __trunctfxf2 are amd64-only.May 2 2024, 4:19 PM
brooks edited the summary of this revision. (Show Details)
brooks updated this revision to Diff 138024.May 2 2024, 4:20 PM

These symbols are amd64-only

Harbormaster completed remote builds in B57547: Diff 138024.May 2 2024, 4:20 PM
brooks marked an inline comment as done.May 2 2024, 4:20 PM
brooks added inline comments.
lib/libgcc_s/Symbol.map
225

*sigh* how did this even compile?

emaste added inline comments.May 2 2024, 4:41 PM
lib/libgcc_s/Symbol.map
225

the source files for these are in a .if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386" block in lib/libcompiler_rt/Makefile.inc?

brooks updated this revision to Diff 138029.May 2 2024, 5:01 PM
brooks marked an inline comment as done.

Avoid a couple compiler invocations to create empty object files

Harbormaster completed remote builds in B57550: Diff 138029.May 2 2024, 5:01 PM
brooks added inline comments.May 2 2024, 5:07 PM
lib/libgcc_s/Symbol.map
225

The pre-conditions aren't met when targeting i386 so the object files end up empty. I've tweaked the makefile to avoid those compiler invocations.

emaste accepted this revision.May 2 2024, 5:10 PM
This revision is now accepted and ready to land.May 2 2024, 5:10 PM
Closed by commit rG723e60a278b1: libgcc_s: __extendxftf2 and __trunctfxf2 are amd64-only (authored by brooks). · Explain WhyMay 2 2024, 5:15 PM
This revision was automatically updated to reflect the committed changes.
brooks added a commit: rG723e60a278b1: libgcc_s: __extendxftf2 and __trunctfxf2 are amd64-only.

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lib/
libgcc_s/
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Diff 138024

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lib/libgcc_s/Symbol.map

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