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| author | Paul Brook <paul@codesourcery.com> | 2004-02-18 12:33:18 +0000 |
|---|---|---|
| committer | Paul Brook <pbrook@gcc.gnu.org> | 2004-02-18 12:33:18 +0000 |
| commit | e978d62ee6039fd2daa8a0f1acdcef80d441cec6 (patch) | |
| tree | 102a24438e32c9cd6fd53076e943e238b32fe3c6 | |
| parent | 5c1c8a03a695dd26ef22b969e5d2d93f68ce8b36 (diff) | |
| download | gcc-e978d62ee6039fd2daa8a0f1acdcef80d441cec6.zip gcc-e978d62ee6039fd2daa8a0f1acdcef80d441cec6.tar.gz gcc-e978d62ee6039fd2daa8a0f1acdcef80d441cec6.tar.bz2 | |
rtlanal.c (rtx_varies_p): Return 0 for NULL_RTX
* rtlanal.c (rtx_varies_p): Return 0 for NULL_RTX
testsuite/
* gcc.c-torture/compile/libcall-1.c: New test.
From-SVN: r78027
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/rtlanal.c | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/libcall-1.c | 14 |
4 files changed, 27 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4e4dcd7..8b1e566 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2004-02-18 Paul Brook <paul@codesourcery.com> + * rtlanal.c (rtx_varies_p): Return 0 for NULL_RTX + +2004-02-18 Paul Brook <paul@codesourcery.com> + PR debug/12934 * dwarf2out.c (loc_descriptor_from_tree): Handle EXPR_WITH_FILE_LOCATION. diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index c408521..f643dfe 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -134,10 +134,14 @@ rtx_unstable_p (rtx x) int rtx_varies_p (rtx x, int for_alias) { - RTX_CODE code = GET_CODE (x); + RTX_CODE code; int i; const char *fmt; + if (!x) + return 0; + + code = GET_CODE (x); switch (code) { case MEM: diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index c343a64..3bacb3b 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,9 @@ 2004-02-18 Paul Brook <paul@codesourcery.com> + * gcc.c-torture/compile/libcall-1.c: New test. + +2004-02-18 Paul Brook <paul@codesourcery.com> + PR debug/12934 * gcc.dg/debug/debug-7.c: New test. diff --git a/gcc/testsuite/gcc.c-torture/compile/libcall-1.c b/gcc/testsuite/gcc.c-torture/compile/libcall-1.c new file mode 100644 index 0000000..c1b1cfc --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/libcall-1.c @@ -0,0 +1,14 @@ +/* Failed on ARM because rtx_varies_p didn't like the REG_EQUAL notes + generated for libcalls. + http://gcc.gnu.org/ml/gcc-patches/2004-02/msg01518.html */ +static const char digs[] = "0123456789ABCDEF"; +int __attribute__((pure)) bar(); + +int foo (int i) +{ + int len; + if (i) + return 0; + len = bar(); + return digs[len]; +} |