$ cat neon4.i
typedef uint8x16_t __attribute__((__vector_size__(16)));
typedef uint8x16_t unative_t;
raid6_neon4_gen_syndrome_real_d;
fn1() {
uint8x16_t __trans_tmp_1;
unative_t wq2;
for (; raid6_neon4_gen_syndrome_real_d;) {
fn2();
fn2(wq2);
wq2 = __trans_tmp_1;
}
}
$ gcc-4.8 -mapcs -mabi=aapcs-linux -mno-thumb-interwork -marm -march=armv7-a
-mfloat-abi=softfp -mfpu=neon -g -gdwarf-4 -O2 -std=gnu90 -fno-strict-aliasing
-fno-common -fno-dwarf2-cfi-asm -funwind-tables -fno-delete-null-pointer-checks
-fstack-protector -fno-omit-frame-pointer -fno-optimize-sibling-calls
-fno-var-tracking-assignments -fno-inline-functions-called-once
-fno-strict-overflow -fconserve-stack -ffreestanding neon4.i
neon4.i:3:1: warning: data definition has no type or storage class [enabled by
default]
raid6_neon4_gen_syndrome_real_d;
^
neon4.i: In function 'fn1':
neon4.i:12:1: internal compiler error: in dwarf2out_frame_debug_adjust_cfa, at
dwarf2cfi.c:1078
}
^
Please submit a full bug report,
with preprocessed source if appropriate.
not seen when building with -O1
** Changed in: gcc-4.8 (Ubuntu)
Status: New => Confirmed
** Bug watch added: Linaro Bug Tracking System #1322
https://bugs.linaro.org/show_bug.cgi?id=1322
** Also affects: gcc-linaro via
https://bugs.linaro.org/show_bug.cgi?id=1322
Importance: Unknown
Status: Unknown
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https://bugs.launchpad.net/bugs/1429894
Title:
gcc-4.8: internal compiler error: in dwarf2out_frame_debug_adjust_cfa,
at dwarf2cfi.c:1078
Status in Linaro GCC:
Unknown
Status in gcc-4.8 package in Ubuntu:
Confirmed
Bug description:
Seeing these when trying to compile linux-lts-vivid (v3.19 kernel) on
the trusty compiler, also on the proposed SRU version:
lib/raid6/neon4.c: In function 'raid6_neon4_gen_syndrome_real':
lib/raid6/neon4.c:113:1: internal compiler error: in
dwarf2out_frame_debug_adjust_cfa, at dwarf2cfi.c:1078
}
^
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-4.8/README.Bugs> for instructions.
Preprocessed source stored into /tmp/ccg57WPc.out file, please attach this
to your bugreport.
To manage notifications about this bug go to:
https://bugs.launchpad.net/gcc-linaro/+bug/1429894/+subscriptions
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