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From: "cnsun at uwaterloo dot ca" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c/100793] New: ICE: in expand_assignment, at expr.c:5363 Date: Thu, 27 May 2021 05:34:38 +0000 [thread overview] Message-ID: <bug-100793-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100793 Bug ID: 100793 Summary: ICE: in expand_assignment, at expr.c:5363 Product: gcc Version: tree-ssa Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: cnsun at uwaterloo dot ca Target Milestone: --- $ gcc-trunk -v Using built-in specs. COLLECT_GCC=gcc-trunk COLLECT_LTO_WRAPPER=/scratch/software/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/configure --enable-languages=c,c++,lto --enable-checking-yes --enable-multiarch --prefix=/scratch/software/gcc-trunk --disable-bootstrap Thread model: posix Supported LTO compression algorithms: zlib gcc version 12.0.0 20210527 (experimental) [master revision :d03f010a0:01c59ef2e5a59b44d2b662361196abb6be872a20] (GCC) $ cat mutant.c f4() { register a; register __attribute__((vector_size(16))) b __asm("xmm17"); b[a] = a; asm("" : "+v"(b)); } $ gcc-trunk mutant.c mutant.c:1:1: warning: return type defaults to ‘int’ [-Wimplicit-int] 1 | f4() { | ^~ mutant.c: In function ‘f4’: mutant.c:2:12: warning: type defaults to ‘int’ in declaration of ‘a’ [-Wimplicit-int] 2 | register a; | ^ mutant.c:3:45: warning: type defaults to ‘int’ in declaration of ‘b’ [-Wimplicit-int] 3 | register __attribute__((vector_size(16))) b __asm("xmm17"); | ^ mutant.c:3:45: error: the register specified for ‘b’ cannot be accessed by the current target during RTL pass: expand mutant.c:4:8: internal compiler error: in expand_assignment, at expr.c:5363 4 | b[a] = a; | ~~~~~^~~ 0x6b2f16 expand_assignment(tree_node*, tree_node*, bool) /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/expr.c:5363 0xa4307f expand_gimple_stmt_1 /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/cfgexpand.c:3916 0xa4307f expand_gimple_stmt /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/cfgexpand.c:4014 0xa49159 expand_gimple_basic_block /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/cfgexpand.c:6056 0xa4b02f execute /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/cfgexpand.c:6782 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions.
next reply other threads:[~2021-05-27 5:34 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-27 5:34 cnsun at uwaterloo dot ca [this message] 2022-12-29 22:19 ` [Bug middle-end/100793] " roger at nextmovesoftware dot com
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