rdiezmail-temp2 at yahoo.de
Thu May 16 11:35:32 UTC 2019
I am building a cross-compiling toolchain. In the process, my makefile builds a number of libraries that GCC needs. GMP is one of them.
I ran "make check" once, and self-test t-get_d_2exp is failing:
mpz_get_d_2exp wrong on 2**54-1
result out of range, expect 0.5 <= got < 1.0
rnd_mode = 0
data[i] = 54
got =[00 00 00 00 00 00 F0 3F] 1
got exp 54
FAIL t-get_d_2exp (exit status: 134)
Other tests run fine.
Is this problem already known? Is it worth pursuing? I can provide more information on demand.
These are the versions I am building at the moment:
BINUTILS_VERSION := 2.32
GMP_VERSION := 6.1.2
MPFR_VERSION := 4.0.2
MPC_VERSION := 1.1.0
GCC_VERSION := 8.3.0
NEWLIB_VERSION := 3.1.0
GDB_VERSION := 8.3
The whole thing runs on an Ubuntu 18.04.2 system. This PC is a few years old and I have not noticed anything wrong with it yet.
I am building the toolchain with -O3 and LTO at the moment.
More information about the gmp-bugs