Commit Graph

27 Commits

Author SHA1 Message Date
Richard Henderson c120391c00 softfloat: Replace flag with bool
We have had this on the to-do list for quite some time.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-05-19 08:40:50 -07:00
Alex Bennée e23263004d target/m68k: replace LIT64 with UINT64_C macros
In our quest to eliminate the home rolled LIT64 macro we fixup usage
inside for m68k's many constants.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2019-08-19 12:07:13 +01:00
Lucien Murray-Pitts 808d77bc5f m68k comments break patch submission due to being incorrectly formatted
Altering all comments in target/m68k to match Qemu coding styles so that future
patches wont fail due to style breaches.

Signed-off-by: Lucien Murray-Pitts <lucienmp.qemu@gmail.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20190606234125.GA4830@localhost.localdomain>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-06-26 17:14:39 +02:00
Richard Henderson 1c0c951f71 target/m68k: Use floatX_silence_nan when we have already checked for SNaN
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2018-05-17 15:27:15 -07:00
Laurent Vivier 5a73e7f313 m68k: fix floatx80_mod() (Coverity CID1390568)
Update the variable checked by the loop condition (expDiff).
Backport the update from Previous.

Fixes: 591596b77a ("target/m68k: add fmod/frem")
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-Id: <20180508203937.16796-1-laurent@vivier.eu>
2018-05-14 19:13:07 +02:00
Laurent Vivier 6361d2984c m68k: remove dead code (Coverity CID1390617)
floatx80_sin() and floatx80_cos() are derived from one
sincos() function. They have both unused code coming from
their common origin. Remove it.

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20180430170156.1860-2-laurent@vivier.eu>
2018-05-01 15:37:20 +02:00
Laurent Vivier 981348af5c m68k: Fix floatx80_lognp1 (Coverity CID1390587)
return the result of packFloatx80() instead of
dropping it.

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180430170156.1860-1-laurent@vivier.eu>
2018-05-01 15:36:52 +02:00
Laurent Vivier 02f9124ebe target/m68k: implement fcosh
Using a local m68k  floatx80_cosh()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180312202728.23790-12-laurent@vivier.eu>
2018-03-13 16:35:05 +01:00
Laurent Vivier eee6b892a6 target/m68k: implement fsinh
Using a local m68k floatx80_sinh()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180312202728.23790-11-laurent@vivier.eu>
2018-03-13 16:34:58 +01:00
Laurent Vivier 9937b02965 target/m68k: implement ftanh
Using local m68k floatx80_tanh() and floatx80_etoxm1()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180312202728.23790-10-laurent@vivier.eu>
2018-03-13 16:34:51 +01:00
Laurent Vivier e3655afa13 target/m68k: implement fatanh
Using a local m68k floatx80_atanh()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180312202728.23790-9-laurent@vivier.eu>
2018-03-13 16:34:42 +01:00
Laurent Vivier c84813b807 target/m68k: implement facos
Using a local m68k floatx80_acos()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180312202728.23790-8-laurent@vivier.eu>
2018-03-13 16:34:33 +01:00
Laurent Vivier bc20b34e03 target/m68k: implement fasin
Using a local m68k floatx80_asin()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180312202728.23790-7-laurent@vivier.eu>
2018-03-13 16:34:25 +01:00
Laurent Vivier 8c992abc89 target/m68k: implement fatan
Using a local m68k floatx80_atan()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180312202728.23790-6-laurent@vivier.eu>
2018-03-13 16:34:16 +01:00
Laurent Vivier 68d0ed3786 target/m68k: implement fcos
Using a local m68k floatx80_cos()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180312202728.23790-4-laurent@vivier.eu>
2018-03-13 16:34:02 +01:00
Laurent Vivier 5add1ac42f target/m68k: implement fsin
Using a local m68k floatx80_sin()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180312202728.23790-3-laurent@vivier.eu>
2018-03-13 16:33:54 +01:00
Laurent Vivier 273401809c target/m68k: implement ftan
Using a local m68k floatx80_tan()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180312202728.23790-2-laurent@vivier.eu>
2018-03-13 16:33:34 +01:00
Laurent Vivier 6c25be6e30 target/m68k: implement ftentox
Using a local m68k floatx80_tentox()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180305203910.10391-9-laurent@vivier.eu>
2018-03-09 15:50:38 +01:00
Laurent Vivier 068f161536 target/m68k: implement ftwotox
Using a local m68k floatx80_twotox()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180305203910.10391-8-laurent@vivier.eu>
2018-03-09 15:50:38 +01:00
Laurent Vivier 40ad087330 target/m68k: implement fetox
Using a local m68k floatx80_etox()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180305203910.10391-7-laurent@vivier.eu>
2018-03-09 15:50:38 +01:00
Laurent Vivier 67b453ed73 target/m68k: implement flog2
Using a local m68k floatx80_log2()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180305203910.10391-6-laurent@vivier.eu>
2018-03-09 15:50:38 +01:00
Laurent Vivier 248efb66fb target/m68k: implement flog10
Using a local m68k floatx80_log10()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180305203910.10391-5-laurent@vivier.eu>
2018-03-09 15:50:38 +01:00
Laurent Vivier 50067bd16f target/m68k: implement flogn
Using a local m68k floatx80_logn()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180305203910.10391-4-laurent@vivier.eu>
2018-03-09 15:50:38 +01:00
Laurent Vivier 4b5c65b8f0 target/m68k: implement flognp1
Using a local m68k floatx80_lognp1()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180305203910.10391-3-laurent@vivier.eu>
2018-03-09 15:50:36 +01:00
Laurent Vivier 9a069775a8 target/m68k: define floatx80_move()
This functions is needed by upcoming m68k softfloat functions.

Source code copied for WinUAE (tag 3500)
(The WinUAE file has been copied from QEMU and has
the QEMU licensing notice)

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180305203910.10391-2-laurent@vivier.eu>
2018-03-09 15:09:57 +01:00
Laurent Vivier 0d379c1709 target/m68k: add fscale, fgetman and fgetexp
Using local m68k floatx80_getman(), floatx80_getexp(), floatx80_scale()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180224201802.911-5-laurent@vivier.eu>
2018-03-04 17:27:59 +01:00
Laurent Vivier 591596b77a target/m68k: add fmod/frem
Using a local m68k floatx80_mod()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]

The quotient byte of the FPSR is updated with
the result of the operation.

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180224201802.911-3-laurent@vivier.eu>
2018-03-04 17:27:06 +01:00