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| author | Richard Henderson <rth@redhat.com> | 2002-06-20 16:23:54 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2002-06-20 16:23:54 -0700 |
| commit | aa8dea091f83d726078a543040a5526819f21683 (patch) | |
| tree | a0d0772409194eae7f488dba0cb742b1d9c93654 | |
| parent | 2b3aadfc7b77e551147b5250180c57c1f892e421 (diff) | |
| download | gcc-aa8dea091f83d726078a543040a5526819f21683.zip gcc-aa8dea091f83d726078a543040a5526819f21683.tar.gz gcc-aa8dea091f83d726078a543040a5526819f21683.tar.bz2 | |
typeck.c (mark_addressable): Don't test TREE_ADDRESSABLE early.
* typeck.c (mark_addressable): Don't test TREE_ADDRESSABLE early.
Call put_var_into_stack.
* g++.dg/opt/asm1.C: New.
From-SVN: r54862
| -rw-r--r-- | gcc/cp/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/cp/typeck.c | 7 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/opt/asm1.C | 9 |
3 files changed, 19 insertions, 3 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 4a37ab3..8cc664e 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,9 @@ +2002-06-20 Richard Henderson <rth@redhat.com> + + PR c++/6747 + * typeck.c (mark_addressable): Don't test TREE_ADDRESSABLE early. + Call put_var_into_stack. + 2002-06-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> * spew.c (remove_last_token): Use ARRAY_SIZE in lieu of explicit diff --git a/gcc/cp/typeck.c b/gcc/cp/typeck.c index 5ea8bdb..c1338d9 100644 --- a/gcc/cp/typeck.c +++ b/gcc/cp/typeck.c @@ -4805,9 +4805,6 @@ cxx_mark_addressable (exp) { register tree x = exp; - if (TREE_ADDRESSABLE (x) == 1) - return true; - while (1) switch (TREE_CODE (x)) { @@ -4826,6 +4823,8 @@ cxx_mark_addressable (exp) TREE_ADDRESSABLE (x) = 1; /* so compiler doesn't die later */ return true; } + /* FALLTHRU */ + case VAR_DECL: /* Caller should not be trying to mark initialized constant fields addressable. */ @@ -4833,6 +4832,7 @@ cxx_mark_addressable (exp) || DECL_IN_AGGR_P (x) == 0 || TREE_STATIC (x) || DECL_EXTERNAL (x), 314); + /* FALLTHRU */ case CONST_DECL: case RESULT_DECL: @@ -4841,6 +4841,7 @@ cxx_mark_addressable (exp) warning ("address requested for `%D', which is declared `register'", x); TREE_ADDRESSABLE (x) = 1; + put_var_into_stack (x); return true; case FUNCTION_DECL: diff --git a/gcc/testsuite/g++.dg/opt/asm1.C b/gcc/testsuite/g++.dg/opt/asm1.C new file mode 100644 index 0000000..3f932a6 --- /dev/null +++ b/gcc/testsuite/g++.dg/opt/asm1.C @@ -0,0 +1,9 @@ +// PR c++/6747 +// { dg-do compile } +// { dg-options "-O" } + +void foo() +{ + union { double d; char c[sizeof(double)]; } tmp; + __asm__ ("" : "=m" (tmp.d)); // { dg-bogus "not directly addressable" } +} |