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Jeff Law 49fffa58f7 Fix "bins" simulation for v850e3v5
I've been carrying this for a few years.   One test in the GCC testsuite is
failing due to a bug in the handling of the v850e3v5 instruction "bins".

When the "bins" instruction specifies a 32bit bitfield size, the simulator
exhibits undefined behavior by trying to shift a 32 bit quantity by 32 bits.
In the case of a 32 bit shift, we know what the resultant mask should be.  So
we can just set it.

That seemed better than using 1UL for the constant (on a 32bit host unsigned
long might still just be 32 bits) or needlessly forcing everything to
long long types.

Thankfully the case where this shows up is only bins <src>, 0, 32, <dest>
which would normally be encoded as a simple move.

	* testsuite/v850/allinsns.exp: Add v850e3v5.
	* testsuite/v850/bins.cgs: New test.
	* v850/simops.c (v850_bins): Avoid undefined behavior on left shift.
2022-04-06 11:06:53 -04:00
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binutils Add code to display the contents of .debug_loclists sections which contain offset entry tables. 2022-04-06 14:43:37 +01:00
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gas Add code to display the contents of .debug_loclists sections which contain offset entry tables. 2022-04-06 14:43:37 +01:00
gdb gdb: LoongArch: prepend tramp frame unwinder for signal 2022-04-06 22:32:26 +08:00
gdbserver gdbserver: report correct status in thread stop race condition 2022-04-04 22:11:53 -04:00
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gprof libtool.m4: fix the NM="/nm/over/here -B/option/with/path" case 2022-03-25 12:02:35 +00:00
gprofng libtool.m4: fix the NM="/nm/over/here -B/option/with/path" case 2022-03-25 12:02:35 +00:00
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libbacktrace libtool.m4: fix the NM="/nm/over/here -B/option/with/path" case 2022-03-25 12:02:35 +00:00
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libdecnumber Run autoreconf -vf throughout 2020-07-29 16:03:55 -04:00
libiberty gdb: rename floatformats_ia64_quad to floatformats_ieee_quad 2022-04-02 08:36:33 +08:00
opcodes opcodes/i386: partially implement disassembler style support 2022-04-04 13:10:52 +01:00
readline Update config.sub and config.guess for MIPS R3 and R5 ISA support 2021-05-24 18:11:49 +02:00
sim Fix "bins" simulation for v850e3v5 2022-04-06 11:06:53 -04:00
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configure gprofng: a new GNU profiler 2022-03-11 08:58:31 +00:00
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MAINTAINERS MAINTAINERS: Update path to readline config.{sub,guess} files 2021-05-24 18:11:49 +02:00
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