https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61616
Bug ID: 61616
Summary: Internal compiler error during reload in gcc-4.7.4
configured as a cross-compiler for a mips target
Product: gcc
Version: 4.7.4
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: niva at niisi dot msk.ru
Created attachment 33008
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33008&action=edit
The test file.
The cross-compiler gcc-4.7.4:
Configured with: /home/niva/src/gcc-4.7.4/configure --target=mips64-none-elf
--enable-threads=no --disable-shared --enable-long-long --enable-c99
--enable-languages=c --enable-multilib --enable-symvers=gnu
--disable-libmudflap --disable-libssp --disable-libgcc_eh --with-newlib
--with-dwarf2 --with-system-zlib --enable-generated-files-in-srcdir --verbose
--prefix=/home/niva/local --enable-cpp
The command line is:
mips64-none-elf-gcc-4.7.4 prfl.c -O3 -G0 -mips64 -mpaired-single -mabi=o64 -S
The error message:
prfl.c:42:1: error: unable to find a register to spill in class ‘GR_REGS’
prfl.c:42:1: error: this is the insn:
(insn 79 65 117 2 (set (reg:CCV2 360)
(unspec:CCV2 [
(unlt (reg:V2SF 34 $f2 [orig:306 MEM[(float[4] *)&s1 + 8B] ]
[306])
(reg:V2SF 33 $f1 [orig:307 MEM[(float[4] *)&s2 + 8B] ]
[307]))
] UNSPEC_SCC)) prfl.c:15 701 {sunlt_ps}
(nil))
prfl.c:42: confused by earlier errors, bailing out
The source file is attached. It was produced from
gcc-4.7.4/gcc/testsuite/gcc.c-torture/execute/ieee/pr50310.c
as a result of substitution of the "float" type instead of "double".
