Commit Graph

24 Commits

Author SHA1 Message Date
Peter Maydell e5ca24cba9 target-arm: Implement VMULL.P8
Implement VMULL.P8 (the 32x32->64 version of the polynomial multiply
instruction).

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-20 17:26:15 +01:00
Peter Maydell 2d981da77d target-arm: Use standard FPSCR for Neon half-precision operations
The Neon half-precision conversion operations (VCVT.F16.F32 and
VCVT.F32.F16) use ARM standard floating-point arithmetic, unlike
the VFP versions (VCVTB and VCVTT).

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-10 18:28:30 +01:00
Juha Riihimäki af1bbf30c4 target-arm: Fix VQMOVUN Neon instruction.
VQMOVUN does a signed-to-unsigned saturating conversion. This is
different from both the signed-to-signed and unsigned-to-unsigned
conversions already implemented, so we need a new set of helper
functions (neon_unarrow_sat*).

Signed-off-by: Juha Riihimäki <juha.riihimaki@nokia.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-09 19:37:47 +01:00
Christophe Lyon 72902672dc Set the right overflow bit for neon 32 and 64 bit saturating add/sub.
Signed-off-by: Christophe Lyon <christophe.lyon@st.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-04 20:57:41 +01:00
Juha Riihimäki 4ca4502c93 ARM: add neon helpers for VQSHLU
Add neon helper functions to implement VQSHLU, which is a
signed-to-unsigned version of VQSHL available only as an
immediate form.

Signed-off-by: Juha Riihimäki <juha.riihimaki@nokia.com>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-01-12 00:06:06 +01:00
Paul Brook 426f5abcaa ARM atomic ops rewrite
Implement ARMv6 atomic ops (ldrex/strex) using the same trick as PPC.

Signed-off-by: Paul Brook <paul@codesourcery.com>
2009-11-22 21:35:13 +00:00
Paul Brook 600114988c ARM FP16 support
Implement the ARM VFP half precision floating point extensions.

Signed-off-by: Paul Brook <paul@codesourcery.com>
2009-11-19 16:45:20 +00:00
Aurelien Jarno f669df275c target-arm: use native tcg-ops for ror/bic/vorn
Acked-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-10-27 09:46:27 +01:00
Filip Navara 194576157a target-arm: convert NEON VZIP/VUZP/VTRN helper functions to pure TCG
The neon_trn_u8, neon_trn_u16, neon_unzip_u8, neon_zip_u8 and neon_zip_u16
helpers used fixed registers to return values. This patch replaces that with
TCG code, so T0/T1 is no longer directly used by the helper functions.

Bugs in the gen_neon_unzip register load code were also fixed.

Signed-off-by: Filip Navara <filip.navara@gmail.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-10-17 23:52:17 +02:00
pbrook fe1479c3ad Implement (very) basic Thumb2-EE support. This doesn't actually implement
EE state, just the associated system coprocessor registers.  It is sufficient
to keep OS setup and context switching code happy.

Signed-off-by: Paul Brook <paul@codesourcery.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6104 c046a42c-6fe2-441c-8c8c-71466251a162
2008-12-19 13:18:36 +00:00
pbrook a7812ae412 TCG variable type checking.
Signed-off-by: Paul Brook <paul@codesourcery.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5729 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-17 14:43:54 +00:00
pbrook e677137d99 ARM TCG conversion 15/16.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4152 c046a42c-6fe2-441c-8c8c-71466251a162
2008-03-31 03:49:05 +00:00
pbrook ad69471ce5 ARM TCG conversion 14/16.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4151 c046a42c-6fe2-441c-8c8c-71466251a162
2008-03-31 03:48:30 +00:00
pbrook 8f8e3aa451 ARM TCG conversion 13/16.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4150 c046a42c-6fe2-441c-8c8c-71466251a162
2008-03-31 03:48:01 +00:00
pbrook 8984bd2e83 ARM TCG conversion 12/16.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4149 c046a42c-6fe2-441c-8c8c-71466251a162
2008-03-31 03:47:48 +00:00
pbrook 5e3f878ad6 ARM TCG conversion 11/16.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4148 c046a42c-6fe2-441c-8c8c-71466251a162
2008-03-31 03:47:34 +00:00
pbrook 4373f3ceeb ARM TCG conversion 10/16.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4147 c046a42c-6fe2-441c-8c8c-71466251a162
2008-03-31 03:47:19 +00:00
pbrook b010980544 ARM TCG conversion 9/16.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4146 c046a42c-6fe2-441c-8c8c-71466251a162
2008-03-31 03:47:03 +00:00
pbrook d9ba48308d ARM TCG conversion 8/16.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4145 c046a42c-6fe2-441c-8c8c-71466251a162
2008-03-31 03:46:50 +00:00
pbrook 6ddbc6e4cf ARM TCG conversion 7/16.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4144 c046a42c-6fe2-441c-8c8c-71466251a162
2008-03-31 03:46:33 +00:00
pbrook 3670669ce2 ARM TCG conversion 6/16.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4143 c046a42c-6fe2-441c-8c8c-71466251a162
2008-03-31 03:46:19 +00:00
pbrook 1497c961af ARM TCG conversion 4/16.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4141 c046a42c-6fe2-441c-8c8c-71466251a162
2008-03-31 03:45:50 +00:00
pbrook f51bbbfefe ARM TCG conversion 2/16.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4139 c046a42c-6fe2-441c-8c8c-71466251a162
2008-03-31 03:45:13 +00:00
pbrook b26eefb68e ARM TCG conversion 1/16.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4138 c046a42c-6fe2-441c-8c8c-71466251a162
2008-03-31 03:44:26 +00:00