diff options
| author | Richard Henderson <rth@cygnus.com> | 2000-09-19 07:26:38 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2000-09-19 07:26:38 -0700 |
| commit | 39b726dd63141158c64b4a8cde58305040cded0e (patch) | |
| tree | 1f6ec60c9489e5dac0b625beaa26964db46a282a | |
| parent | 9790cefdd45a78f21a77f9ff0e7170fe3732b8a5 (diff) | |
| download | gcc-39b726dd63141158c64b4a8cde58305040cded0e.zip gcc-39b726dd63141158c64b4a8cde58305040cded0e.tar.gz gcc-39b726dd63141158c64b4a8cde58305040cded0e.tar.bz2 | |
c-typeck.c (c_expand_asm_operands): Restore the output tree after expanding.
* c-typeck.c (c_expand_asm_operands): Restore the output tree
after expanding.
From-SVN: r36533
| -rw-r--r-- | gcc/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/c-typeck.c | 4 |
2 files changed, 7 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e74d3c7..f6de40a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,8 @@ 2000-09-19 Richard Henderson <rth@cygnus.com> + * c-typeck.c (c_expand_asm_operands): Restore the output tree + after expanding. + * stmt.c (expand_expr_stmt): Only call warn_if_unused_value if the tree has side effects. (warn_if_unused_value): Do not warn about void constructs. diff --git a/gcc/c-typeck.c b/gcc/c-typeck.c index 1461432..da8ced2 100644 --- a/gcc/c-typeck.c +++ b/gcc/c-typeck.c @@ -6603,6 +6603,10 @@ c_expand_asm_operands (string, outputs, inputs, clobbers, vol, filename, line) expand_expr (build_modify_expr (o[i], NOP_EXPR, TREE_VALUE (tail)), NULL_RTX, VOIDmode, EXPAND_NORMAL); free_temp_slots (); + + /* Restore the original value so that it's correct the next + time we expand this function. */ + TREE_VALUE (tail) = o[i]; } /* Detect modification of read-only values. (Otherwise done by build_modify_expr.) */ |