On Thu, 6 Aug 2020 at 11:06, Marc Glisse <marc.gli...@inria.fr> wrote: > > On Thu, 6 Aug 2020, Christophe Lyon wrote: > > >>> 2020-08-05 Marc Glisse <marc.gli...@inria.fr> > >>> > >>> PR tree-optimization/95906 > >>> PR target/70314 > >>> * match.pd ((c ? a : b) op d, (c ? a : b) op (c ? d : e), > >>> (v ? w : 0) ? a : b, c1 ? c2 ? a : b : b): New transformations. > >>> (op (c ? a : b)): Update to match the new transformations. > >>> > >>> * gcc.dg/tree-ssa/andnot-2.c: New file. > >>> * gcc.dg/tree-ssa/pr95906.c: Likewise. > >>> * gcc.target/i386/pr70314.c: Likewise. > >>> > > > > I think this patch is causing several ICEs on arm-none-linux-gnueabihf > > --with-cpu cortex-a9 --with-fpu neon-fp16: > > Executed from: gcc.c-torture/compile/compile.exp > > gcc.c-torture/compile/20160205-1.c -O3 -fomit-frame-pointer > > -funroll-loops -fpeel-loops -ftracer -finline-functions (internal > > compiler error) > > gcc.c-torture/compile/20160205-1.c -O3 -g (internal compiler error) > > Executed from: gcc.dg/dg.exp > > gcc.dg/pr87746.c (internal compiler error) > > Executed from: gcc.dg/tree-ssa/tree-ssa.exp > > gcc.dg/tree-ssa/ifc-cd.c (internal compiler error) > > I tried a cross from x86_64-linux with current master > > .../configure --target=arm-none-linux-gnueabihf --enable-languages=c,c++ > --with-system-zlib --disable-nls --with-cpu=cortex-a9 --with-fpu=neon-fp16 > make > > it stops at some point with an error, but I have xgcc and cc1 in > build/gcc. > > I copied 2 of the testcases and compiled > > ./xgcc pr87746.c -Ofast -S -B. > ./xgcc -O3 -fdump-tree-ifcvt-details-blocks-details ifc-cd.c -S -B. > > without getting any ICE.
Sorry for the delay, I had to reproduce the problem manually. > > Is there a machine on the compile farm where this is easy to reproduce? I don't think there is any arm machine in the compile farm. > Or could you attach the .optimized dump that corresponds to the > backtrace below? It looks like we end up with a comparison with an > unexpected return type. > I've compiled pr87746.c with -fdump-tree-ifcvt-details-blocks-details, here is the log. Is that what you need? Thanks, Christophe > > Executed from: gcc.dg/vect/vect.exp > > gcc.dg/vect/pr59591-1.c (internal compiler error) > > gcc.dg/vect/pr59591-1.c -flto -ffat-lto-objects (internal compiler error) > > gcc.dg/vect/pr86927.c (internal compiler error) > > gcc.dg/vect/pr86927.c -flto -ffat-lto-objects (internal compiler error) > > gcc.dg/vect/slp-cond-5.c (internal compiler error) > > gcc.dg/vect/slp-cond-5.c -flto -ffat-lto-objects (internal compiler > > error) > > gcc.dg/vect/vect-23.c (internal compiler error) > > gcc.dg/vect/vect-23.c -flto -ffat-lto-objects (internal compiler error) > > gcc.dg/vect/vect-24.c (internal compiler error) > > gcc.dg/vect/vect-24.c -flto -ffat-lto-objects (internal compiler error) > > gcc.dg/vect/vect-cond-reduc-6.c (internal compiler error) > > gcc.dg/vect/vect-cond-reduc-6.c -flto -ffat-lto-objects (internal > > compiler error) > > > > Backtrace for gcc.c-torture/compile/20160205-1.c -O3 > > -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer > > -finline-functions > > during RTL pass: expand > > /gcc/testsuite/gcc.c-torture/compile/20160205-1.c:2:5: internal > > compiler error: in do_store_flag, at expr.c:12259 > > 0x8feb26 do_store_flag > > /gcc/expr.c:12259 > > 0x900201 expand_expr_real_2(separate_ops*, rtx_def*, machine_mode, > > expand_modifier) > > /gcc/expr.c:9617 > > 0x908cd0 expand_expr_real_1(tree_node*, rtx_def*, machine_mode, > > expand_modifier, rtx_def**, bool) > > /gcc/expr.c:10159 > > 0x91174e expand_expr > > /gcc/expr.h:282 > > 0x91174e expand_operands(tree_node*, tree_node*, rtx_def*, rtx_def**, > > rtx_def**, expand_modifier) > > /gcc/expr.c:8065 > > 0x8ff543 expand_expr_real_2(separate_ops*, rtx_def*, machine_mode, > > expand_modifier) > > /gcc/expr.c:9950 > > 0x908cd0 expand_expr_real_1(tree_node*, rtx_def*, machine_mode, > > expand_modifier, rtx_def**, bool) > > /gcc/expr.c:10159 > > 0x91174e expand_expr > > /gcc/expr.h:282 > > 0x91174e expand_operands(tree_node*, tree_node*, rtx_def*, rtx_def**, > > rtx_def**, expand_modifier) > > /gcc/expr.c:8065 > > 0x8ff543 expand_expr_real_2(separate_ops*, rtx_def*, machine_mode, > > expand_modifier) > > /gcc/expr.c:9950 > > 0x908cd0 expand_expr_real_1(tree_node*, rtx_def*, machine_mode, > > expand_modifier, rtx_def**, bool) > > /gcc/expr.c:10159 > > 0x91174e expand_expr > > /gcc/expr.h:282 > > 0x91174e expand_operands(tree_node*, tree_node*, rtx_def*, rtx_def**, > > rtx_def**, expand_modifier) > > /gcc/expr.c:8065 > > 0x8ff543 expand_expr_real_2(separate_ops*, rtx_def*, machine_mode, > > expand_modifier) > > /gcc/expr.c:9950 > > 0x908cd0 expand_expr_real_1(tree_node*, rtx_def*, machine_mode, > > expand_modifier, rtx_def**, bool) > > /gcc/expr.c:10159 > > 0x91174e expand_expr > > /gcc/expr.h:282 > > 0x91174e expand_operands(tree_node*, tree_node*, rtx_def*, rtx_def**, > > rtx_def**, expand_modifier) > > /gcc/expr.c:8065 > > 0x8ff543 expand_expr_real_2(separate_ops*, rtx_def*, machine_mode, > > expand_modifier) > > /gcc/expr.c:9950 > > 0x908cd0 expand_expr_real_1(tree_node*, rtx_def*, machine_mode, > > expand_modifier, rtx_def**, bool) > > /gcc/expr.c:10159 > > 0x91174e expand_expr > > /gcc/expr.h:282 > > > > Christophe > > -- > Marc Glisse
pr87746.c.162t.ifcvt
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