bwlp/qemu.git/include/fpu, branch master

fpu: Add rebias bool, value and operation

2022-08-31T17:08:05+00:00

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) Reviewed-by: Richard Henderson Message-Id: <20220805141522.412864-2-lucas.araujo@eldorado.org.br> Signed-off-by: Daniel Henrique Barboza

Clean up decorations and whitespace around header guards

2022-05-11T14:50:32+00:00

Cleaned up with scripts/clean-header-guards.pl. Signed-off-by: Markus Armbruster Message-Id: <20220506134911.2856099-5-armbru@redhat.com> Reviewed-by: Richard Henderson

softfloat: add float128_to_int128

2022-04-20T21:00:30+00:00

Implements float128_to_int128 based on parts_float_to_int logic. Signed-off-by: Matheus Ferst Reviewed-by: Richard Henderson Message-Id: <20220330175932.6995-7-matheus.ferst@eldorado.org.br> Signed-off-by: Daniel Henrique Barboza

softfloat: add float128_to_uint128

2022-04-20T21:00:30+00:00

Implements float128_to_uint128 based on parts_float_to_uint logic. Signed-off-by: Matheus Ferst Reviewed-by: Richard Henderson Message-Id: <20220330175932.6995-6-matheus.ferst@eldorado.org.br> Signed-off-by: Daniel Henrique Barboza

softfloat: add int128_to_float128

2022-04-20T21:00:30+00:00

Based on parts_sint_to_float, implements int128_to_float128 to convert a signed 128-bit value received through an Int128 argument. Signed-off-by: Matheus Ferst Message-Id: <20220330175932.6995-5-matheus.ferst@eldorado.org.br> Signed-off-by: Daniel Henrique Barboza

softfloat: add uint128_to_float128

2022-04-20T21:00:30+00:00

Based on parts_uint_to_float, implements uint128_to_float128 to convert an unsigned 128-bit value received through an Int128 argument. Signed-off-by: Matheus Ferst Reviewed-by: Richard Henderson Message-Id: <20220330175932.6995-4-matheus.ferst@eldorado.org.br> Signed-off-by: Daniel Henrique Barboza

Replace config-time define HOST_WORDS_BIGENDIAN

2022-04-06T08:50:37+00:00

Replace a config-time define with a compile time condition define (compatible with clang and gcc) that must be declared prior to its usage. This avoids having a global configure time define, but also prevents from bad usage, if the config header wasn't included before. This can help to make some code independent from qemu too. gcc supports __BYTE_ORDER__ from about 4.6 and clang from 3.2. Signed-off-by: Marc-André Lureau [ For the s390x parts I'm involved in ] Acked-by: Halil Pasic Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Message-Id: <20220323155743.1585078-7-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini

softfloat: Add float64r32 arithmetic routines

2021-12-17T16:57:15+00:00

These variants take a float64 as input, compute the result to infinite precision (as we do with FloatParts), round the result to the precision and dynamic range of float32, and then return the result in the format of float64. This is the operation PowerPC requires for its float32 operations. Signed-off-by: Richard Henderson Message-Id: <20211119160502.17432-28-richard.henderson@linaro.org> Signed-off-by: Cédric Le Goater

softfloat: Add flag specific to signaling nans

2021-12-17T16:57:14+00:00

PowerPC has this flag, and it's easier to compute it here than after the fact. Signed-off-by: Richard Henderson Message-Id: <20211119160502.17432-8-richard.henderson@linaro.org> Signed-off-by: Cédric Le Goater

softfloat: Add flag specific to convert non-nan to int

2021-12-17T16:57:14+00:00

PowerPC has this flag, and it's easier to compute it here than after the fact. Signed-off-by: Richard Henderson Message-Id: <20211119160502.17432-7-richard.henderson@linaro.org> Signed-off-by: Cédric Le Goater