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Differential D8376

full softfloat & hardfloat support for MIPS
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Authored by br on Oct 28 2016, 3:37 PM.

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rS308130: Add full softfloat and hardfloat support for MIPS.

Summary

tested all the 8 configurations (mips, mipsel, mipshf, mipselhf, mips64, mips64hf, mips64el, mips64elhf).
tested in QEMU only.

test include build and run, also compiling simple application with gcc in running system.
GCC requires to pass -mhard-float for mips*hf platforms (as it cant find softfloat symbols).

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Event Timeline

br updated this revision to Diff 21774.Oct 28 2016, 3:37 PM

br retitled this revision from to hardfloat support for MIPS.

br updated this object.

br edited the test plan for this revision. (Show Details)

Herald added subscribers: emaste, bdrewery. · View Herald TranscriptOct 28 2016, 3:37 PM

br retitled this revision from hardfloat support for MIPS to full softfloat & hardfloat support for MIPS.Oct 28 2016, 3:38 PM

br updated this object.Oct 28 2016, 3:40 PM

br added a reviewer: imp.

br updated this object.Oct 28 2016, 3:46 PM

br updated this object.

please update share/man/man7/arch.7 also

gnu/lib/libgcc/Makefile
168	should be able to combine these into one expression now

add mips*hf to man7/arch7

br added inline comments.Oct 31 2016, 11:20 AM

gnu/lib/libgcc/Makefile
168	what you mean ?

emaste added inline comments.Oct 31 2016, 12:11 PM

gnu/lib/libgcc/Makefile
168	Something like `.if ${TARGET_ARCH:Nmips64:Nmipsn32} == ""` But maybe it's not any clearer.
share/man/man7/arch.7
63–66	Should sort alphabetically with existing ones

sort arch

gnu/lib/libgcc/Makefile
168	yeah. Let leave as is. Thanks

Closed by commit rS308130: Add full softfloat and hardfloat support for MIPS. (authored by br). · Explain WhyOct 31 2016, 3:34 PM

This revision was automatically updated to reflect the committed changes.

brooks mentioned this in rS315424: Replace SOFTFLOAT with __mips_soft_float, which gcc/clang define for us..Mar 16 2017, 9:05 PM

Revision Contents
Changeset List

Path

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4 lines

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gnu/

lib/

libgcc/

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usr.bin/

binutils/

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ld/

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libbfd/

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cc/

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4 lines

gdb/

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libgdb/

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lib/

libc/

2 lines

mips/

2 lines

4 lines

gen/

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20 lines

msun/

mips/

4 lines

8 lines

166 lines

14 lines

share/

man/

man7/

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mk/

3 lines

2 lines

2 lines

sys/

boot/

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common/

2 lines

mips/

uboot/

2 lines

conf/

3 lines

mips/

include/

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mips/

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2 lines

16 lines

9 lines

Diff 21829

Makefile

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Makefile.inc1

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gnu/lib/libgcc/Makefile

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gnu/usr.bin/binutils/Makefile.inc0

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gnu/usr.bin/binutils/ld/Makefile.mips

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gnu/usr.bin/binutils/libbfd/Makefile.mips

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gnu/usr.bin/cc/Makefile.inc

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gnu/usr.bin/cc/Makefile.tgt

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gnu/usr.bin/gdb/Makefile.inc

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gnu/usr.bin/gdb/libgdb/Makefile

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lib/libc/Makefile

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lib/libc/mips/Makefile.inc

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lib/libc/mips/Symbol.map

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lib/libc/mips/gen/Makefile.inc

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lib/libc/mips/gen/flt_rounds.c

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lib/msun/mips/Makefile.inc

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lib/msun/mips/Symbol.map

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lib/msun/mips/fenv.h

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lib/msun/mips/fenv.c

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share/man/man7/arch.7

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share/mk/bsd.cpu.mk

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share/mk/bsd.endian.mk

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share/mk/sys.mk

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sys/boot/Makefile.ficl

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sys/boot/common/Makefile.inc

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sys/boot/mips/uboot/Makefile

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sys/conf/kern.mk

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sys/mips/include/float.h

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sys/mips/mips/exception.S

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sys/mips/mips/locore.S

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sys/mips/mips/swtch.S

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sys/mips/mips/trap.c

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