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root / fpu @ 8af7a3ab

# Date Author Comment
8229c991 07/13/2010 07:18 pm Aurelien Jarno

softfloat: add float32_exp2()

Signed-off-by: Aurelien Jarno <>
ed086f3d 03/07/2010 03:49 pm Blue Swirl

softfloat: remove dead assignments, spotted by clang

Value stored to 'bSign' is never read.

Signed-off-by: Blue Swirl <>
8443effb 02/24/2010 12:36 am Richard Henderson

target-alpha: Split up FPCR value into separate fields.

The fpcr_exc_status, fpcr_exc_mask, and fpcr_dyn_round fields
are stored in <softfloat.h> format for convenience during
regular execution.

Revert the addition of float_exception_mask to float_status,...
bc4347b8 02/07/2010 12:16 am Stefan Weil

arm host: fix compiler warning

Compilation for arm (native or cross) results in this
warning:

fpu/softfloat-native.c: In function ‘float64_round_to_int’:
fpu/softfloat-native.c:387: error: control reaches end of non-void function

float64_round_to_int uses special assembler code for arm...
990b3e19 12/13/2009 09:32 pm Richard Henderson

target-alpha: Enable softfloat.

Signed-off-by: Richard Henderson <>
Signed-off-by: Aurelien Jarno <>
ba0e276d 12/13/2009 09:32 pm Richard Henderson

target-alpha: Fixes for alpha-linux syscalls.

1. Add correct definitions of error numbers.
2. Implement SYS_osf_sigprocmask
3. Implement SYS_osf_get/setsysinfo for IEEE_FP_CONTROL.

This last requires exposing the FPCR value to do_syscall.
Since this value is actually split up into the float_status,...
be45f068 12/13/2009 04:28 pm Andreas Färber

Silence softfloat warnings on OpenSolaris

Don't define C99 math functions on OpenSolaris (Solaris 11),
which still ships GCC 3.4.3. This fixes redefinition warnings.

Spotted by Palle Lyckegaard.

Signed-off-by: Andreas Färber <>
Cc: Palle Lyckegaard <>...
a167ba50 11/29/2009 07:00 pm Aurelien Jarno

Add support for GNU/kFreeBSD

Signed-off-by: Aurelien Jarno <>
60011498 11/19/2009 06:45 pm Paul Brook

ARM FP16 support

Implement the ARM VFP half precision floating point extensions.

Signed-off-by: Paul Brook <>
75b5a697 07/27/2009 10:10 pm Juan Quintela

rename NEEDS_LIBSUNMATH to CONFIG_NEEDS_LIBSUNMATH

Once there fix a place where it was misspelled

Signed-off-by: Juan Quintela <>
Signed-off-by: Anthony Liguori <>
e2542fe2 07/27/2009 10:09 pm Juan Quintela

rename WORDS_BIGENDIAN to HOST_WORDS_BIGENDIAN

Signed-off-by: Juan Quintela <>
Signed-off-by: Anthony Liguori <>
71e72a19 07/27/2009 10:09 pm Juan Quintela

rename HOST_BSD to CONFIG_BSD

Signed-off-by: Juan Quintela <>
Signed-off-by: Anthony Liguori <>
dfe5fff3 07/27/2009 10:09 pm Juan Quintela

change HOST_SOLARIS to CONFIG_SOLARIS{_VERSION}

Signed-off-by: Juan Quintela <>
Signed-off-by: Anthony Liguori <>
3f4cb3d3 04/13/2009 07:31 pm blueswir1

Fix OpenSolaris gcc4 warnings: iovec type mismatches, missing 'static'

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7103 c046a42c-6fe2-441c-8c8c-71466251a162
14d483ec 04/13/2009 07:27 pm blueswir1

Fix OpenSolaris softfloat warnings

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7102 c046a42c-6fe2-441c-8c8c-71466251a162
2734c703 03/08/2009 05:58 pm blueswir1

Rename one more _BSD to HOST_BSD (spotted by Hasso Tepper)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6782 c046a42c-6fe2-441c-8c8c-71466251a162
179a2c19 03/08/2009 10:23 am blueswir1

Rename _BSD to HOST_BSD so that it's more obvious that it's defined by configure

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6775 c046a42c-6fe2-441c-8c8c-71466251a162
70c14705 03/07/2009 06:03 pm blueswir1

Sparse fixes: dubious mixing of bitwise and logical operations

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6741 c046a42c-6fe2-441c-8c8c-71466251a162
374dfc33 02/05/2009 03:42 pm aurel32

soft-float: add float32_log2() and float64_log2()

Signed-off-by: Aurelien Jarno <>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6518 c046a42c-6fe2-441c-8c8c-71466251a162
196cfc89 02/04/2009 03:52 pm aurel32

softfloat: add a 1.0 constant for float32 and float64

Signed-off-by: Aurelien Jarno <>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6514 c046a42c-6fe2-441c-8c8c-71466251a162
947f5fcb 01/25/2009 12:56 pm malc

Add static qualifier to local functions

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6436 c046a42c-6fe2-441c-8c8c-71466251a162
e58ffeb3 01/14/2009 08:39 pm malc

Remove all traces of powerpc

According to $GCC/gcc/config/rs6000/rs6000-c.c _ARCH_PPC is the
ubiquitous define which should be used to test whether gcc targets
PowerPC, on 64bit platforms _ARCH_PPC64 will be also defined.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6301 c046a42c-6fe2-441c-8c8c-71466251a162
e872aa81 12/21/2008 01:41 am aurel32

softfloat-native: fix type of float_rounding_mode

fegetround() and fesetround() are using an int type. Change the type of
float_rounding_mode and floatx80_rounding_precision in the float_status
structure for consistency.

Signed-off-by: Aurelien Jarno <>...
fe76d976 12/19/2008 04:33 pm pbrook

Implement flush-to-zero mode (denormal results are replaced with zero).

Signed-off-by: Paul Brook <>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6107 c046a42c-6fe2-441c-8c8c-71466251a162
5c7908ed 12/19/2008 03:53 pm pbrook

Implement default-NaN mode.

Signed-off-by: Paul Brook <>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6106 c046a42c-6fe2-441c-8c8c-71466251a162
69397542 12/19/2008 02:59 pm pbrook

Correctly normalize values and handle zero inputs to scalbn functions.

Signed-off-by: Paul Brook <>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6102 c046a42c-6fe2-441c-8c8c-71466251a162
dadd71a7 12/19/2008 12:43 am aurel32

fp: fix float32_is_infinity()

Thanks to Laurent Desnogues for the hint.

Signed-off-by: Aurelien Jarno <>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6089 c046a42c-6fe2-441c-8c8c-71466251a162
8d6c92b6 12/16/2008 12:07 am aurel32

softfloat-native: improve correctness of floatXX_is_neg()

Signed-off-by: Aurelien Jarno <>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6059 c046a42c-6fe2-441c-8c8c-71466251a162
c52ab6f5 12/15/2008 07:14 pm aurel32

fp: add floatXX_is_infinity(), floatXX_is_neg(), floatXX_is_zero()

Signed-off-by: Aurelien Jarno <>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6050 c046a42c-6fe2-441c-8c8c-71466251a162
1b2ad2ec 12/15/2008 07:14 pm aurel32

softfloat-native: fix *nan()

Fix float64_is_nan()
Fix floatx80_is_signaling_nan()
Add floatx80_is_nan()

Signed-off-by: Aurelien Jarno <>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6049 c046a42c-6fe2-441c-8c8c-71466251a162
30e7a22e 12/14/2008 01:12 pm aurel32

Use float_relation_* constants

Use float_relation_* constants rather than magic numbers in
softfloat-native comparison routines.

Signed-off-by: Nathan Froyd <>
Signed-off-by: Aurelien Jarno <>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6025 c046a42c-6fe2-441c-8c8c-71466251a162
629bd74a 12/13/2008 01:46 pm aurel32

softfloat-native: add float32_is_nan()

Signed-off-by: Aurelien Jarno <>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6002 c046a42c-6fe2-441c-8c8c-71466251a162
1d6198c3 12/13/2008 11:32 am blueswir1

Remove unnecessary trailing newlines

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6000 c046a42c-6fe2-441c-8c8c-71466251a162
d07cca02 11/22/2008 10:17 pm blueswir1

Add native softfloat fpu functions (Christoph Egger)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5775 c046a42c-6fe2-441c-8c8c-71466251a162
b29fe3ed 11/18/2008 03:42 am malc

Preliminary AIX support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5732 c046a42c-6fe2-441c-8c8c-71466251a162
9027db89 11/04/2008 02:33 pm pbrook

Fix ARM default NaN.

Signed-off-by: Paul Brook <>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5618 c046a42c-6fe2-441c-8c8c-71466251a162
b1d8e52e 10/26/2008 03:43 pm blueswir1

Fix undeclared symbol warnings from sparse

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5539 c046a42c-6fe2-441c-8c8c-71466251a162
b55266b5 09/20/2008 11:07 am blueswir1

Suppress gcc 4.x -Wpointer-sign (included in -Wall) warnings

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5275 c046a42c-6fe2-441c-8c8c-71466251a162
7c2a9d09 08/24/2008 01:29 pm blueswir1

Fix math warnings on OpenBSD -current

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5077 c046a42c-6fe2-441c-8c8c-71466251a162
128ab2ff 08/15/2008 09:33 pm blueswir1

Preliminary OpenBSD host support (based on OpenBSD patches by Todd T. Fries)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5012 c046a42c-6fe2-441c-8c8c-71466251a162
85016c98 12/26/2007 01:59 am ths

Assortment of soft-float fixes, by Aurelien Jarno.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3860 c046a42c-6fe2-441c-8c8c-71466251a162
1f587329 11/25/2007 08:40 pm blueswir1

128-bit float support for user mode

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3740 c046a42c-6fe2-441c-8c8c-71466251a162
cd8a2533 11/21/2007 08:57 pm blueswir1

Fix more typos in softloat code (Eduardo Felipe)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3716 c046a42c-6fe2-441c-8c8c-71466251a162
a1b91bb4 11/21/2007 05:32 pm pbrook

Fix typo in softfloat code.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3714 c046a42c-6fe2-441c-8c8c-71466251a162
f090c9d4 11/18/2007 04:33 pm pbrook

Add strict checking mode for softfp code.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3688 c046a42c-6fe2-441c-8c8c-71466251a162
5a6932d5 11/16/2007 04:57 pm ths

Fix NaN handling for MIPS and HPPA.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3655 c046a42c-6fe2-441c-8c8c-71466251a162
9ee6e8bb 11/11/2007 02:04 am pbrook

ARMv7 support.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3572 c046a42c-6fe2-441c-8c8c-71466251a162
5fafdf24 09/17/2007 12:08 am ths

find -type f | xargs sed -i 's/[\t ]$//g' # on most files

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3173 c046a42c-6fe2-441c-8c8c-71466251a162
924b2c07 05/31/2007 07:17 pm ths

Add proper float*_is_nan prototypes.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2902 c046a42c-6fe2-441c-8c8c-71466251a162
b645bb48 05/11/2007 08:10 pm ths

Fix softfloat NaN handling.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2805 c046a42c-6fe2-441c-8c8c-71466251a162
fc81ba53 04/22/2007 08:16 pm ths

Check that HOST_SOLARIS is defined before relying on its value.
Spotted by Joachim Henke.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2712 c046a42c-6fe2-441c-8c8c-71466251a162
c94655b0 04/18/2007 12:57 am ths

Updated Solaris isinf support, by Juergen Keil and Ben Taylor.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2696 c046a42c-6fe2-441c-8c8c-71466251a162
0475a5ca 04/01/2007 09:54 pm ths

Solaris 9/x86 support, by Ben Taylor.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2577 c046a42c-6fe2-441c-8c8c-71466251a162
3430b0be 03/21/2007 12:25 am j_mayer

Ooops... Typo.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2520 c046a42c-6fe2-441c-8c8c-71466251a162
75d62a58 03/21/2007 12:10 am j_mayer

Add missing softfloat helpers.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2518 c046a42c-6fe2-441c-8c8c-71466251a162
63a654bb 03/19/2007 06:46 pm ths

trunc() for Solaris 9 / SPARC, by Juergen Keil.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2508 c046a42c-6fe2-441c-8c8c-71466251a162
750afe93 10/28/2006 10:27 pm bellard

avoid using char when it is not necessary

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2204 c046a42c-6fe2-441c-8c8c-71466251a162
e6e5906b 10/22/2006 03:18 am pbrook

ColdFire target.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2196 c046a42c-6fe2-441c-8c8c-71466251a162
fdbb4691 06/14/2006 08:32 pm bellard

Solaris/SPARC host port (Ben Taylor)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1979 c046a42c-6fe2-441c-8c8c-71466251a162
38cfa06c 05/01/2006 04:58 pm bellard

Solaris port (Ben Taylor)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1888 c046a42c-6fe2-441c-8c8c-71466251a162
7918bf47 04/28/2006 06:26 pm pbrook

Fix typo in BSD FP rounding mode names.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1865 c046a42c-6fe2-441c-8c8c-71466251a162
3598ecb6 04/26/2006 06:55 pm pbrook

Remove missing include.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1857 c046a42c-6fe2-441c-8c8c-71466251a162
ec530c81 04/26/2006 01:36 am bellard

Solaris port (Ben Taylor)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1855 c046a42c-6fe2-441c-8c8c-71466251a162
1b2b0af5 04/24/2006 01:59 am bellard

64 bit fix

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1842 c046a42c-6fe2-441c-8c8c-71466251a162
b109f9f8 03/20/2005 12:33 pm bellard

more native FPU comparison functions - native FPU remainder

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1339 c046a42c-6fe2-441c-8c8c-71466251a162
1d6bda35 03/13/2005 08:52 pm bellard

added abs, chs and compare functions

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1338 c046a42c-6fe2-441c-8c8c-71466251a162
158142c2 03/13/2005 06:54 pm bellard

soft float support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1332 c046a42c-6fe2-441c-8c8c-71466251a162