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* softfloat: Convert modrem operations to FloatPartsRichard Henderson2021-06-031-165/+0Star
| | | | | | | | Rename to parts$N_modrem. This was the last use of a lot of the legacy infrastructure, so remove it as required. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* softfloat: Convert floatx80 float conversions to FloatPartsRichard Henderson2021-06-031-175/+0Star
| | | | | | | | This is the last use of commonNaNT and all of the routines that use it, so remove all of them for Werror. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* softfloat: Convert float128_default_nan to partsRichard Henderson2021-05-161-0/+19
| | | | | Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* softfloat: Convert float128_silence_nan to partsRichard Henderson2021-05-161-19/+6Star
| | | | | | | | | This is the minimal change that also introduces float128_params, float128_unpack_raw, and float128_pack_raw without running into unused symbol Werrors. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* softfloat: Use pointers with parts_silence_nanRichard Henderson2021-05-161-6/+11
| | | | | | | | At the same time, rename to parts64_silence_nan, split out parts_silence_nan_frac, and define a macro for parts_silence_nan. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* softfloat: Use pointers with parts_default_nanRichard Henderson2021-05-161-2/+2
| | | | | | | | | At the same time, rename to parts64_default_nan and add a macro for parts_default_nan. This will be flushed out once 128-bit support is added. Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* softfloat: Rename FloatParts to FloatParts64Richard Henderson2021-05-161-3/+3
| | | | | | Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* softfloat: Do not produce a default_nan from parts_silence_nanRichard Henderson2021-05-161-6/+5Star
| | | | | | | | Require default_nan_mode to be set instead. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* softfloat: Inline float_raiseRichard Henderson2021-05-161-12/+0Star
| | | | | | Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* Merge remote-tracking branch 'remotes/armbru/tags/pull-misc-2021-05-12' into ↵Peter Maydell2021-05-131-6/+5Star
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | staging Miscellaneous patches for 2021-05-12 # gpg: Signature made Wed 12 May 2021 17:22:15 BST # gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653 # gpg: issuer "armbru@redhat.com" # gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full] # gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [full] # Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653 * remotes/armbru/tags/pull-misc-2021-05-12: Drop the deprecated unicore32 target Drop the deprecated lm32 target block: Drop the sheepdog block driver Remove the deprecated moxie target monitor/qmp: fix race on CHR_EVENT_CLOSED without OOB Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| * Drop the deprecated unicore32 targetMarkus Armbruster2021-05-121-6/+5Star
| | | | | | | | | | | | | | | | | | | | Target unicore32 was deprecated in commit 8e4ff4a8d2b, v5.2.0. See there for rationale. Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20210503084034.3804963-3-armbru@redhat.com> Acked-by: Thomas Huth <thuth@redhat.com>
| * Drop the deprecated lm32 targetMarkus Armbruster2021-05-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Target lm32 was deprecated in commit d8498005122, v5.2.0. See there for rationale. Some of its code lives on in device models derived from milkymist ones: hw/char/digic-uart.c and hw/display/bcm2835_fb.c. Cc: Michael Walle <michael@walle.cc> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20210503084034.3804963-2-armbru@redhat.com> Acked-by: Michael Walle <michael@walle.cc> [Trivial conflicts resolved, reST markup fixed]
| * Remove the deprecated moxie targetThomas Huth2021-05-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are no known users of this CPU anymore, and there are no binaries available online which could be used for regression tests, so the code has likely completely bit-rotten already. It's been marked as deprecated since two releases now and nobody spoke up that there is still a need to keep it, thus let's remove it now. Signed-off-by: Thomas Huth <thuth@redhat.com> Message-Id: <20210430160355.698194-1-thuth@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> [Commit message typos fixed, trivial conflicts resolved] Signed-off-by: Markus Armbruster <armbru@redhat.com>
* | fpu/softfloat: set invalid excp flag for RISC-V muladd instructionsFrank Chang2021-05-111-0/+6
|/ | | | | | | | | | | | | | | | | | | | | | In IEEE 754-2008 spec: Invalid operation exception is signaled when doing: fusedMultiplyAdd(0, Inf, c) or fusedMultiplyAdd(Inf, 0, c) unless c is a quiet NaN; if c is a quiet NaN then it is implementation defined whether the invalid operation exception is signaled. In RISC-V Unprivileged ISA spec: The fused multiply-add instructions must set the invalid operation exception flag when the multiplicands are Inf and zero, even when the addend is a quiet NaN. This commit set invalid operation execption flag for RISC-V when multiplicands of muladd instructions are Inf and zero. Signed-off-by: Frank Chang <frank.chang@sifive.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20210420013150.21992-1-frank.chang@sifive.com Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
* Hexagon (target/hexagon) use softfloat default NaN and tininessTaylor Simpson2021-05-011-0/+3
| | | | | | | | Suggested-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Taylor Simpson <tsimpson@quicinc.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <1617930474-31979-11-git-send-email-tsimpson@quicinc.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* softfloat: Define misc operations for bfloat16LIU Zhiwei2020-08-281-0/+38
| | | | | | | | Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20200813071421.2509-4-zhiwei_liu@c-sky.com> [rth: Fix merge conflict with NO_SIGNALING_NANS; use bool for predicates.] Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* softfloat: add xtensa specialization for pickNaNMulAddMax Filippov2020-08-211-0/+26
| | | | | | | | | | | | | | pickNaNMulAdd logic on Xtensa is to apply pickNaN to the inputs of the expression (a * b) + c. However if default NaN is produces as a result of (a * b) calculation it is not considered when c is NaN. So with two pickNaN variants there must be two pickNaNMulAdd variants. In addition the invalid flag is always set when (a * b) produces NaN. Cc: Peter Maydell <peter.maydell@linaro.org> Cc: "Alex Bennée" <alex.bennee@linaro.org> Cc: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
* softfloat: pass float_status pointer to pickNaNMax Filippov2020-08-211-6/+24
| | | | | | | | | | | | | Pass float_status structure pointer to the pickNaN so that machine-specific settings are available to NaN selection code. Add use_first_nan property to float_status and use it in Xtensa-specific pickNaN. Cc: Peter Maydell <peter.maydell@linaro.org> Cc: "Alex Bennée" <alex.bennee@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
* softfloat: make NO_SIGNALING_NANS runtime propertyMax Filippov2020-08-211-112/+118
| | | | | | | | | | | | | | | | target/xtensa, the only user of NO_SIGNALING_NANS macro has FPU implementations with and without the corresponding property. With NO_SIGNALING_NANS being a macro they cannot be a part of the same QEMU executable. Replace macro with new property in float_status to allow cores with different FPU implementations coexist. Cc: Peter Maydell <peter.maydell@linaro.org> Cc: "Alex Bennée" <alex.bennee@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
* meson: rename included C source files to .c.incPaolo Bonzini2020-08-211-0/+1083
With Makefiles that have automatically generated dependencies, you generated includes are set as dependencies of the Makefile, so that they are built before everything else and they are available when first building the .c files. Alternatively you can use a fine-grained dependency, e.g. target/arm/translate.o: target/arm/decode-neon-shared.inc.c With Meson you have only one choice and it is a third option, namely "build at the beginning of the corresponding target"; the way you express it is to list the includes in the sources of that target. The problem is that Meson decides if something is a source vs. a generated include by looking at the extension: '.c', '.cc', '.m', '.C' are sources, while everything else is considered an include---including '.inc.c'. Use '.c.inc' to avoid this, as it is consistent with our other convention of using '.rst.inc' for included reStructuredText files. The editorconfig file is adjusted. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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