diff options
| author | Jozef Lawrynowicz <jozef.l@somniumtech.com> | 2017-08-29 13:20:54 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@gcc.gnu.org> | 2017-08-29 13:20:54 +0000 |
| commit | 10bcba61fcfb0cd7f7a2ba64f1a14c62e3512eca (patch) | |
| tree | fd759dda7c8b5631184e9c73ef69ce837b65adc3 /gcc/config/msp430 | |
| parent | 12d847913a96fc78111f22f4caea9bdf707b8566 (diff) | |
| download | gcc-10bcba61fcfb0cd7f7a2ba64f1a14c62e3512eca.zip gcc-10bcba61fcfb0cd7f7a2ba64f1a14c62e3512eca.tar.gz gcc-10bcba61fcfb0cd7f7a2ba64f1a14c62e3512eca.tar.bz2 | |
re PR target/80993 ([msp430] __attribute__((interrupt)) should imply __attribute__((used)))
PR target/80993
* gcc/config/msp430/msp430.c (msp430_attr): Mark interrupt
handlers as used.
From-SVN: r251410
Diffstat (limited to 'gcc/config/msp430')
| -rw-r--r-- | gcc/config/msp430/msp430.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/config/msp430/msp430.c b/gcc/config/msp430/msp430.c index 2b4427d..48fc12d 100644 --- a/gcc/config/msp430/msp430.c +++ b/gcc/config/msp430/msp430.c @@ -1904,6 +1904,10 @@ msp430_attr (tree * node, if (! TREE_PUBLIC (* node)) message = "interrupt handlers cannot be static"; + + /* Ensure interrupt handlers never get optimised out. */ + TREE_USED (* node) = 1; + DECL_PRESERVE_P (* node) = 1; } else if (TREE_NAME_EQ (name, ATTR_REENT)) { |