version 1.3, 2019/08/29 13:01:34
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version 1.4, 2019/08/29 20:39:43
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# Various GCC/vax issues and invesigation # |
# Various GCC/vax issues and invesigation # |
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# libgomp crash with -O2 # |
## libgomp crash with -O2 ## |
Repro: |
Repro: |
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#!/bin/sh |
#!/bin/sh |
Line 21 Asserts at emit-rtl.c:2310 gcc_assert (m
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Line 21 Asserts at emit-rtl.c:2310 gcc_assert (m
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NetBSD avoids it with a [local diff](5f534f20bc66738c05c442a8f20088f55335b653/external/gpl3/gcc/dist/libgcc/gthr-posix.h#L418) to reload.c/dse.c. |
NetBSD avoids it with a [local diff](5f534f20bc66738c05c442a8f20088f55335b653/external/gpl3/gcc/dist/libgcc/gthr-posix.h#L418) to reload.c/dse.c. |
It looks like a real bug in vax_legitimate_address_p not handling some addressing modes. |
It looks like a real bug in vax_legitimate_address_p not handling some addressing modes. |
The code to handle offset(reg)[index] might be off: it doesn't like if neither xfoo0, xfoo1 are constant. |
The code to handle offset(reg)[index] might be off: it doesn't like if neither xfoo0, xfoo1 are constant. |
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## unrecognizable insn with any optimization ## |
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Repro: |
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#!/bin/sh |
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cat << EOF > decl.ii |
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struct a { |
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long long *b() const; |
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}; |
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template <typename> class d : a { |
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public: |
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template <typename e> d(e); |
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long long f() const; |
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}; |
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template <typename c> long long d<c>::f() const { |
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int g; |
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return b()[g]; |
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} |
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int h; |
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bool i() { |
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d<int> j(h); |
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return j.f(); |
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} |
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EOF |
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vax--netbsdelf-g++ -O2 -c decl.ii |
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