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List:       gcc-bugs
Subject:    [Bug rtl-optimization/67753] [6 Regression] FAIL: cxg1005, cxg2002, cxg2006, cxg2007, cxg2008, cxg20
From:       "danglin at gcc dot gnu.org" <gcc-bugzilla () gcc ! gnu ! org>
Date:       2015-10-31 23:02:24
Message-ID: bug-67753-4-FeFF1tz6qk () http ! gcc ! gnu ! org/bugzilla/
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67753

John David Anglin <danglin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |aoliva at gcc dot gnu.org

--- Comment #3 from John David Anglin <danglin at gcc dot gnu.org> ---
I'm not 100% certain but I believe this regression was introduced in r228175.

It can be seen in the attached assembler output from

/test/gnu/gcc/objdir/gcc/xgcc -B/test/gnu/gcc/objdir/gcc/
/test/gnu/gcc/gcc/gcc/testsuite/gcc.c-torture/execute/pr38969.c
-fno-diagnostics-show-caret -fdiagnostics-color=never -O1 -w -lm -o
./pr38969.exe -v -save-temps

that the parameter handling assumes the original call value 'a' was passed
on the stack.  In fact, it is passed in registers as its size is less than
or equal to 64 bits.=
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