https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65915
Bug ID: 65915
Summary: [6 Regression] FAIL:
gcc.target/i386/avx512f-vrndscalepd-2.c (internal
compiler error)
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: hjl.tools at gmail dot com
CC: tocarip.intel at gmail dot com
Target Milestone: ---
On x86-64, r222470 caused:
[hjl@gnu-ivb-1 gcc]$ ./xgcc -B./
/export/gnu/import/git/gcc-regression/gcc/gcc/testsuite/gcc.target/i386/avx512f-vrndscalepd-2.c
-fpic -mcmodel=medium -fno-diagnostics-show-caret -fdiagnostics-color=never
-O2 -mavx512f -S
/export/gnu/import/git/gcc-regression/gcc/gcc/testsuite/gcc.target/i386/avx512f-vrndscalepd-2.c:
In function \u2018test_512\u2019:
/export/gnu/import/git/gcc-regression/gcc/gcc/testsuite/gcc.target/i386/avx512f-vrndscalepd-2.c:101:1:
error: insn does not satisfy its constraints:
(insn 367 366 319 9 (set (reg:V2DF 53 xmm16 [ D.29386 ])
(vec_merge:V2DF (vec_duplicate:V2DF (float:DF (reg:SI 2 cx [orig:96
D.29385 ] [96])))
(reg:V2DF 53 xmm16 [ D.29386 ])
(const_int 1 [0x1]))) 2191 {sse2_cvtsi2sd}
(expr_list:REG_DEAD (reg:SI 2 cx [orig:96 D.29385 ] [96])
(nil)))
/export/gnu/import/git/gcc-regression/gcc/gcc/testsuite/gcc.target/i386/avx512f-vrndscalepd-2.c:101:1:
internal compiler error: in extract_constrain_insn, at recog.c:2244
0xcf4a34 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
../../../../gcc/gcc/rtl-error.c:110
0xcf4a94 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
../../../../gcc/gcc/rtl-error.c:121
0xca7059 extract_constrain_insn(rtx_insn*)
../../../../gcc/gcc/recog.c:2244
0xcb5847 copyprop_hardreg_forward_1
../../../../gcc/gcc/regcprop.c:793
0xcb704b execute
../../../../gcc/gcc/regcprop.c:1289
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
[hjl@gnu-ivb-1 gcc]$
