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| author | Kugan Vivekanandarajah <kuganv@linaro.org> | 2014-08-08 05:31:44 +0000 |
|---|---|---|
| committer | Kugan Vivekanandarajah <kugan@gcc.gnu.org> | 2014-08-08 05:31:44 +0000 |
| commit | 8c9a36b7cac01afb70ca41c1435efb2077202035 (patch) | |
| tree | 564b60254e3780325da325e3491a46fca2b8c908 /gcc/calls.c | |
| parent | 362d42dcc965c63977160984292b3429c2d15de7 (diff) | |
| download | gcc-8c9a36b7cac01afb70ca41c1435efb2077202035.zip gcc-8c9a36b7cac01afb70ca41c1435efb2077202035.tar.gz gcc-8c9a36b7cac01afb70ca41c1435efb2077202035.tar.bz2 | |
calls.c (precompute_arguments): Check promoted_for_signed_and_unsigned_p and set the promoted mode.
gcc
2014-08-08 Kugan Vivekanandarajah <kuganv@linaro.org>
* calls.c (precompute_arguments): Check
promoted_for_signed_and_unsigned_p and set the promoted mode.
(promoted_for_signed_and_unsigned_p): New function.
(expand_expr_real_1): Check promoted_for_signed_and_unsigned_p
and set the promoted mode.
* expr.h (promoted_for_signed_and_unsigned_p): New function definition.
* cfgexpand.c (expand_gimple_stmt_1): Call emit_move_insn if
SUBREG is promoted with SRP_SIGNED_AND_UNSIGNED.
gcc/testsuite
2014-08-08 Kugan Vivekanandarajah <kuganv@linaro.org>
* gcc.dg/zero_sign_ext_test.c: New test.
From-SVN: r213750
Diffstat (limited to 'gcc/calls.c')
| -rw-r--r-- | gcc/calls.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/calls.c b/gcc/calls.c index 00c5028..4285ec1 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -1484,7 +1484,10 @@ precompute_arguments (int num_actuals, struct arg_data *args) args[i].initial_value = gen_lowpart_SUBREG (mode, args[i].value); SUBREG_PROMOTED_VAR_P (args[i].initial_value) = 1; - SUBREG_PROMOTED_SET (args[i].initial_value, args[i].unsignedp); + if (promoted_for_signed_and_unsigned_p (args[i].tree_value, mode)) + SUBREG_PROMOTED_SET (args[i].initial_value, SRP_SIGNED_AND_UNSIGNED); + else + SUBREG_PROMOTED_SET (args[i].initial_value, args[i].unsignedp); } } } |