Re: [PATCH 1/2] softfloat: m68k: infinity is a valid encoding

2020-07-13 Thread Andreas Schwab
On Apr 29 2020, Laurent Vivier wrote: > "Since the extended-precision data format has an explicit integer bit, a > number can be formatted with a nonzero exponent, less than the maximum > value, and a zero integer bit. The IEEE 754 standard does not define a > zero integer bit. Such a number is an

Re: [PATCH 1/2] softfloat: m68k: infinity is a valid encoding

2020-06-15 Thread Laurent Vivier
Le 15/06/2020 à 17:59, Fred Konrad a écrit : > Missed this one sorry. > > Le 6/12/20 à 10:31 AM, Laurent Vivier a écrit : >> Le 28/04/2020 à 19:17, KONRAD Frederic a écrit : >>> The MC68881 say about infinities (3.2.4): >>> >>> "*For the extended precision format, the most significant bit of the >

Re: [PATCH 1/2] softfloat: m68k: infinity is a valid encoding

2020-06-15 Thread Fred Konrad
Missed this one sorry. Le 6/12/20 à 10:31 AM, Laurent Vivier a écrit : Le 28/04/2020 à 19:17, KONRAD Frederic a écrit : The MC68881 say about infinities (3.2.4): "*For the extended precision format, the most significant bit of the mantissa (the integer bit) is a don't care." https://www.nxp.c

Re: [PATCH 1/2] softfloat: m68k: infinity is a valid encoding

2020-06-12 Thread Laurent Vivier
Le 28/04/2020 à 19:17, KONRAD Frederic a écrit : > The MC68881 say about infinities (3.2.4): > > "*For the extended precision format, the most significant bit of the > mantissa (the integer bit) is a don't care." > > https://www.nxp.com/docs/en/reference-manual/MC68881UM.pdf > > The m68k extende

Re: [PATCH 1/2] softfloat: m68k: infinity is a valid encoding

2020-04-29 Thread Alex Bennée
Laurent Vivier writes: > Le 29/04/2020 à 11:26, Alex Bennée a écrit : >> >> Laurent Vivier writes: >> >>> Le 28/04/2020 à 20:43, Alex Bennée a écrit : KONRAD Frederic writes: > The MC68881 say about infinities (3.2.4): > > "*For the extended precision format, the

Re: [PATCH 1/2] softfloat: m68k: infinity is a valid encoding

2020-04-29 Thread Laurent Vivier
Le 29/04/2020 à 11:26, Alex Bennée a écrit : > > Laurent Vivier writes: > >> Le 28/04/2020 à 20:43, Alex Bennée a écrit : >>> >>> KONRAD Frederic writes: >>> The MC68881 say about infinities (3.2.4): "*For the extended precision format, the most significant bit of the mantis

Re: [PATCH 1/2] softfloat: m68k: infinity is a valid encoding

2020-04-29 Thread KONRAD Frederic
Le 4/29/20 à 10:42 AM, Laurent Vivier a écrit : Le 28/04/2020 à 19:17, KONRAD Frederic a écrit : The MC68881 say about infinities (3.2.4): "*For the extended precision format, the most significant bit of the mantissa (the integer bit) is a don't care." https://www.nxp.com/docs/en/reference-

Re: [PATCH 1/2] softfloat: m68k: infinity is a valid encoding

2020-04-29 Thread Alex Bennée
Laurent Vivier writes: > Le 29/04/2020 à 11:26, Alex Bennée a écrit : >> >> Laurent Vivier writes: >> >>> Le 28/04/2020 à 20:43, Alex Bennée a écrit : KONRAD Frederic writes: > The MC68881 say about infinities (3.2.4): > > "*For the extended precision format, the

Re: [PATCH 1/2] softfloat: m68k: infinity is a valid encoding

2020-04-29 Thread Laurent Vivier
Le 29/04/2020 à 11:26, Alex Bennée a écrit : > > Laurent Vivier writes: > >> Le 28/04/2020 à 20:43, Alex Bennée a écrit : >>> >>> KONRAD Frederic writes: >>> The MC68881 say about infinities (3.2.4): "*For the extended precision format, the most significant bit of the mantis

Re: [PATCH 1/2] softfloat: m68k: infinity is a valid encoding

2020-04-29 Thread Alex Bennée
Laurent Vivier writes: > Le 28/04/2020 à 20:43, Alex Bennée a écrit : >> >> KONRAD Frederic writes: >> >>> The MC68881 say about infinities (3.2.4): >>> >>> "*For the extended precision format, the most significant bit of the >>> mantissa (the integer bit) is a don't care." >>> >>> https://w

Re: [PATCH 1/2] softfloat: m68k: infinity is a valid encoding

2020-04-29 Thread Laurent Vivier
Le 28/04/2020 à 20:43, Alex Bennée a écrit : > > KONRAD Frederic writes: > >> The MC68881 say about infinities (3.2.4): >> >> "*For the extended precision format, the most significant bit of the >> mantissa (the integer bit) is a don't care." >> >> https://www.nxp.com/docs/en/reference-manual/MC

Re: [PATCH 1/2] softfloat: m68k: infinity is a valid encoding

2020-04-29 Thread Laurent Vivier
Le 28/04/2020 à 19:17, KONRAD Frederic a écrit : > The MC68881 say about infinities (3.2.4): > > "*For the extended precision format, the most significant bit of the > mantissa (the integer bit) is a don't care." > > https://www.nxp.com/docs/en/reference-manual/MC68881UM.pdf As we use 68040 I re

Re: [PATCH 1/2] softfloat: m68k: infinity is a valid encoding

2020-04-28 Thread Alex Bennée
KONRAD Frederic writes: > The MC68881 say about infinities (3.2.4): > > "*For the extended precision format, the most significant bit of the > mantissa (the integer bit) is a don't care." > > https://www.nxp.com/docs/en/reference-manual/MC68881UM.pdf > > The m68k extended format is implemented

[PATCH 1/2] softfloat: m68k: infinity is a valid encoding

2020-04-28 Thread KONRAD Frederic
The MC68881 say about infinities (3.2.4): "*For the extended precision format, the most significant bit of the mantissa (the integer bit) is a don't care." https://www.nxp.com/docs/en/reference-manual/MC68881UM.pdf The m68k extended format is implemented with the floatx80 and floatx80_invalid_en