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| author | Richard Sandiford <rsandifo@redhat.com> | 2004-06-24 15:30:07 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2004-06-24 15:30:07 +0000 |
| commit | 5a1f395394d8ac58ed5ade2185f3267b16493791 (patch) | |
| tree | e261fab34d06ab4d8fc9e57b279dd1f5e48d1639 /gcc | |
| parent | 061cae1fa91e579ab981213f4c46de15dd3cdcbb (diff) | |
| download | gcc-5a1f395394d8ac58ed5ade2185f3267b16493791.zip gcc-5a1f395394d8ac58ed5ade2185f3267b16493791.tar.gz gcc-5a1f395394d8ac58ed5ade2185f3267b16493791.tar.bz2 | |
calls.c (shift_returned_value): Fix handling of non-integer TYPE_MODEs.
* calls.c (shift_returned_value): Fix handling of non-integer
TYPE_MODEs.
From-SVN: r83595
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/calls.c | 10 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/20040624-1.c | 3 |
4 files changed, 21 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e8b7727..d50d7f0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-06-24 Richard Sandiford <rsandifo@redhat.com> + + * calls.c (shift_returned_value): Fix handling of non-integer + TYPE_MODEs. + 2004-06-24 Ulrich Weigand <uweigand@de.ibm.com> * c-decl.c (finish_function): Do not check for DEFAULT_MAIN_RETURN. diff --git a/gcc/calls.c b/gcc/calls.c index 80931003..ccefb54 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -1920,9 +1920,17 @@ shift_returned_value (tree type, rtx *value) - BITS_PER_UNIT * int_size_in_bytes (type)); if (shift > 0) { + /* Shift the value into the low part of the register. */ *value = expand_binop (GET_MODE (*value), lshr_optab, *value, GEN_INT (shift), 0, 1, OPTAB_WIDEN); - *value = convert_to_mode (TYPE_MODE (type), *value, 0); + + /* Truncate it to the type's mode, or its integer equivalent. + This is subject to TRULY_NOOP_TRUNCATION. */ + *value = convert_to_mode (int_mode_for_mode (TYPE_MODE (type)), + *value, 0); + + /* Now convert it to the final form. */ + *value = gen_lowpart (TYPE_MODE (type), *value); return true; } } diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 539cd97..07f99b5 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2004-06-24 Richard Sandiford <rsandifo@redhat.com> + + * gcc.c-torture/compile/20040624-1.c: New test. + 2004-06-24 Giovanni Bajo <giovannibajo@gcc.gnu.org> * g++.dg/tree-ssa/tree-ssa.exp: Remove. dg.exp already handles diff --git a/gcc/testsuite/gcc.c-torture/compile/20040624-1.c b/gcc/testsuite/gcc.c-torture/compile/20040624-1.c new file mode 100644 index 0000000..8eb92a4 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/20040624-1.c @@ -0,0 +1,3 @@ +struct s { float f[1]; }; +struct s foo(); +float bar() { return foo().f[0]; } |