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| author | Michael Matz <matz@suse.de> | 2016-03-26 17:57:22 +0100 |
|---|---|---|
| committer | Michael Matz <matz@suse.de> | 2016-03-26 17:57:22 +0100 |
| commit | 80343ab7d829c21c65f8f9a14dd20158d028549f (patch) | |
| tree | 0d5cf87dfcc350eaeeb71c6f5255d494f5e8879e /x86_64-gen.c | |
| parent | 8fc5a6a2a49f05c358e293c79c0bf18e8eb4830e (diff) | |
| download | tinycc-80343ab7d829c21c65f8f9a14dd20158d028549f.tar.gz tinycc-80343ab7d829c21c65f8f9a14dd20158d028549f.tar.bz2 | |
Fix assignment to/from volatile types
Code like this was broken:
char volatile vi = i;
See testcase, happens in ideosyncratic legacy code sprinkling
volatile all over.
Diffstat (limited to 'x86_64-gen.c')
| -rw-r--r-- | x86_64-gen.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/x86_64-gen.c b/x86_64-gen.c index 692b420..bf983d4 100644 --- a/x86_64-gen.c +++ b/x86_64-gen.c @@ -369,6 +369,8 @@ void load(int r, SValue *sv) ft = sv->type.t & ~VT_DEFSIGN; fc = sv->c.i; + ft &= ~(VT_VOLATILE | VT_CONSTANT); + #ifndef TCC_TARGET_PE /* we use indirect access via got */ if ((fr & VT_VALMASK) == VT_CONST && (fr & VT_SYM) && @@ -532,6 +534,7 @@ void store(int r, SValue *v) ft = v->type.t; fc = v->c.i; fr = v->r & VT_VALMASK; + ft &= ~(VT_VOLATILE | VT_CONSTANT); bt = ft & VT_BTYPE; #ifndef TCC_TARGET_PE |