https://bugs.llvm.org/show_bug.cgi?id=32027
Bug ID: 32027
Summary: [inline asm] "=ir" constraints support - gcc
compatiblity
Product: new-bugs
Version: unspecified
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: new bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
The following test is compiled with gcc and fails on llvm:
int main(void){
int x=5 , z = 5;
asm ("add %1, %0": "=ri" (x): "r" (z));
return 0;
}
llvm fails on the "=ri" constraint.
gcc ignores the 'i' in the output since it makes no sense and treats it just
like "=r", while llvm just outputs an error.
same goes for "=iQ","=ia",etc..
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