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[Qemu-devel] [PATCH 0/8] ARM: fix VCVT instructions
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PATCH 0/8] ARM: fix VCVT instructions |
Date: |
Thu, 11 Nov 2010 18:23:54 +0000 |
This patch series corrects a number of errors in the decoding and
implementation of various forms of the ARM VCVT instruction. The
resulting qemu has been tested by execution of 100,000 random
variants of these instruction patterns with register values
cross-checked against the results given by Cortex-A8 hardware.
Thanks to Johan Bengtsson for posting the initial VCVT related
patch which prompted me to do some more testing in this area.
Peter Maydell (8):
ARM: Fix decoding of VFP forms of VCVT between float and int/fixed
ARM: Fix decoding of Neon forms of VCVT between float and fixed point
ARM: Fix sense of to_integer bit in Neon VCVT float/int conversion
ARM: Return correct result for float-to-integer conversion of NaN
ARM: Return correct result for single<->double conversion of NaN
ARM: Ignore top 16 bits when doing VCVT from 16 bit fixed point
softfloat: Add float/double to 16 bit integer conversion functions
ARM: Implement VCVT to 16 bit integer using new softfloat routines
fpu/softfloat.c | 136 ++++++++++++++++++++++++++++++++++++++++++++++++
fpu/softfloat.h | 4 ++
target-arm/helper.c | 68 ++++++++++++++++++++++--
target-arm/translate.c | 35 ++++++++-----
4 files changed, 226 insertions(+), 17 deletions(-)
- [Qemu-devel] [PATCH 0/8] ARM: fix VCVT instructions,
Peter Maydell <=
- [Qemu-devel] [PATCH 1/8] ARM: Fix decoding of VFP forms of VCVT between float and int/fixed, Peter Maydell, 2010/11/11
- [Qemu-devel] [PATCH 6/8] ARM: Ignore top 16 bits when doing VCVT from 16 bit fixed point, Peter Maydell, 2010/11/11
- [Qemu-devel] [PATCH 7/8] softfloat: Add float/double to 16 bit integer conversion functions, Peter Maydell, 2010/11/11
- [Qemu-devel] [PATCH 2/8] ARM: Fix decoding of Neon forms of VCVT between float and fixed point, Peter Maydell, 2010/11/11
- [Qemu-devel] [PATCH 4/8] ARM: Return correct result for float-to-integer conversion of NaN, Peter Maydell, 2010/11/11
- [Qemu-devel] [PATCH 5/8] ARM: Return correct result for single<->double conversion of NaN, Peter Maydell, 2010/11/11
- [Qemu-devel] [PATCH 3/8] ARM: Fix sense of to_integer bit in Neon VCVT float/int conversion, Peter Maydell, 2010/11/11
- [Qemu-devel] [PATCH 8/8] ARM: Implement VCVT to 16 bit integer using new softfloat routines, Peter Maydell, 2010/11/11