We should raise INV for infinities as well, not OVR+INE.
Reported-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Richard Henderson <rth@twiddle.net>
The range +- 2**63 - 2**64 was returning the wrong truncated
result. We also incorrectly signaled overflow for -2**63.
Reported-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Floating-point overflow is a different bit from integer overflow.
Reported-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Previously forgotten, the kernel needs the software completion bit to
know that it needs to emulate software completion qualified insns.
Reported-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Richard Henderson <rth@twiddle.net>
The qualifiers can suppress the raising of exceptions, but real
hardware still records that the exceptions occurred.
Reported-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Store the fpcr as the hardware represents it. Convert the softfpu
representation of exceptions into the fpcr representation.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Rather than include helper.h with N values of GEN_HELPER, include a
secondary file that sets up the macros to include helper.h. This
minimizes the files that must be rebuilt when changing the macros
for file N.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Use uintptr_t instead of void * or unsigned long in
several op related functions, env->mem_io_pc and
GETPC() macro.
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This softfp feature post-dates the last major update to the Alpha
fpu translation. We can make use of this to eliminate at least
one helper function that was performing this operation by hand.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>