Experimental fork of QEMU with video encoding patches https://git.openslx.org/bwlp/qemu.git/atom/fpu?h=master 2022-10-17T02:28:35+00:00 2022-10-17T02:28:35+00:00 Song Gao 2022-09-30T02:45:10+00:00 urn:sha1:3cf71969095a99f840cd4b3f4aae696ce44b8078 logB(0) should raise divideByZero exception from IEEE 754-2008 spec 7.3 Suggested-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Song Gao <gaosong@loongson.cn> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220930024510.800005-4-gaosong@loongson.cn> 2022-08-31T17:08:05+00:00 Lucas Mateus Castro (alqotel) 2022-08-05T14:15:21+00:00 urn:sha1:c40da5c6fb6dd243e906900de1d22cf20e32a8cd Added the possibility of recalculating a result if it overflows or underflows, if the result overflow and the rebias bool is true then the intermediate result should have 3/4 of the total range subtracted from the exponent. The same for underflow but it should be added to the exponent of the intermediate number instead. Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220805141522.412864-2-lucas.araujo@eldorado.org.br> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> 2022-07-20T13:13:32+00:00 Peter Maydell 2022-07-20T13:13:32+00:00 urn:sha1:f45fd24c90767240735c6161c39699ad86fc38fa * Fixes for s390x floating point vector instructions # gpg: Signature made Wed 20 Jul 2022 08:14:50 BST # gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5 # gpg: issuer "thuth@redhat.com" # gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full] # gpg: aka "Thomas Huth <thuth@redhat.com>" [full] # gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full] # gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown] # Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5 * tag 'pull-request-2022-07-20' of https://gitlab.com/thuth/qemu: tests/tcg/s390x: test signed vfmin/vfmax target/s390x: fix NaN propagation rules target/s390x: fix handling of zeroes in vfmin/vfmax Signed-off-by: Peter Maydell <peter.maydell@linaro.org> # Conflicts: # fpu/softfloat-specialize.c.inc 2022-07-19T16:23:58+00:00 Song Gao 2022-07-16T08:54:20+00:00 urn:sha1:2344f98e9cf78d508758a7f0c9e0b4d0d37acf3d The muladd (inf,zero,nan) case sets InvalidOp and returns the input value 'c', and prefer sNaN over qNaN, in c,a,b order. Binary operations prefer sNaN over qNaN and a,b order. Signed-off-by: Song Gao <gaosong@loongson.cn> Message-Id: <20220716085426.3098060-3-gaosong@loongson.cn> [rth: Add specialization for pickNaN] Signed-off-by: Richard Henderson <richard.henderson@linaro.org> 2022-07-19T10:49:56+00:00 Ilya Leoshkevich 2022-07-13T18:26:11+00:00 urn:sha1:63dd7bcbea143814924e2c6f1c01a7d9ca8038f5 s390x has the same NaN propagation rules as ARM, and not as x86. Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: David Hildenbrand <david@redhat.com> Message-Id: <20220713182612.3780050-3-iii@linux.ibm.com> Signed-off-by: Thomas Huth <thuth@redhat.com> 2022-04-27T03:01:55+00:00 Richard Henderson 2022-04-01T13:22:40+00:00 urn:sha1:dee3fcfbb399a0e4ccedbf737b5b0b7f56ecd398 Since the caller, partsN_compare, is now exclusively using FloatRelation, it's clearer to use it here too. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20220401132240.79730-4-richard.henderson@linaro.org> 2022-04-27T03:01:55+00:00 Richard Henderson 2022-04-01T13:22:39+00:00 urn:sha1:9343c884445201cfd84955f199b13783fa829372 As the return type is FloatRelation, it's clearer to use the type for 'cmp' within the function. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20220401132240.79730-3-richard.henderson@linaro.org> 2022-04-27T03:01:55+00:00 Richard Henderson 2022-04-01T13:22:38+00:00 urn:sha1:b880867f15623b2e82b0fa6b149753d7c18c615c The declaration used 'int', while the definition used 'FloatRelation'. This should have resulted in a compiler error, but mysteriously didn't. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <20220401132240.79730-2-richard.henderson@linaro.org> 2022-04-20T21:00:30+00:00 Matheus Ferst 2022-03-30T17:59:30+00:00 urn:sha1:bea592300b387fa62fda59878886eb84fe373374 Implements float128_to_int128 based on parts_float_to_int logic. Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220330175932.6995-7-matheus.ferst@eldorado.org.br> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> 2022-04-20T21:00:30+00:00 Matheus Ferst 2022-03-30T17:59:29+00:00 urn:sha1:4de49ddfacd8154eba5f2de897c732175d80af5f Implements float128_to_uint128 based on parts_float_to_uint logic. Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220330175932.6995-6-matheus.ferst@eldorado.org.br> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>