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| author | Richard Henderson <rth@redhat.com> | 2002-08-01 16:07:33 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2002-08-01 16:07:33 -0700 |
| commit | 32e9b9606f88e84fc2ffe07a094ed70b60633693 (patch) | |
| tree | 0ed3eef910c4ff1f772a13d5d0dd5f66e4b60aa3 | |
| parent | 3450b8d03cda7bfc8f1db76506ad574404da8907 (diff) | |
| download | gcc-32e9b9606f88e84fc2ffe07a094ed70b60633693.zip gcc-32e9b9606f88e84fc2ffe07a094ed70b60633693.tar.gz gcc-32e9b9606f88e84fc2ffe07a094ed70b60633693.tar.bz2 | |
integrate.c (copy_rtx_and_substitute): Squash MEM_EXPR when it refers to a subroutine parameter.
* integrate.c (copy_rtx_and_substitute): Squash MEM_EXPR when it
refers to a subroutine parameter.
From-SVN: r55956
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/integrate.c | 7 |
2 files changed, 12 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5993d71..c65c89e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2002-08-01 Richard Henderson <rth@redhat.com> + + * integrate.c (copy_rtx_and_substitute): Squash MEM_EXPR when it + refers to a subroutine parameter. + 2002-08-01 Jakub Jelinek <jakub@redhat.com> * varasm.c (assemble_visibility): Strip name encoding. diff --git a/gcc/integrate.c b/gcc/integrate.c index c7eb506..253d254 100644 --- a/gcc/integrate.c +++ b/gcc/integrate.c @@ -2321,6 +2321,13 @@ copy_rtx_and_substitute (orig, map, for_lhs) if (inlining && !for_lhs) RTX_UNCHANGING_P (copy) = 0; + /* If inlining, squish aliasing data that references the subroutine's + parameter list, since that's no longer applicable. */ + if (inlining && MEM_EXPR (copy) + && TREE_CODE (MEM_EXPR (copy)) == INDIRECT_REF + && TREE_CODE (TREE_OPERAND (MEM_EXPR (copy), 0)) == PARM_DECL) + set_mem_expr (copy, NULL_TREE); + return copy; default: |