http://sourceware.org/bugzilla/show_bug.cgi?id=14600
Bug #: 14600
Summary: Thumb: constant expression expected while expression
is statically calculable
Product: binutils
Version: 2.24 (HEAD)
Status: NEW
Severity: minor
Priority: P2
Component: gas
AssignedTo: [email protected]
ReportedBy: [email protected]
Classification: Unclassified
The following
.Lstart:
ldr r4, =0
.Lend:
ldr r4, =.Lend - .Lstart
fails with
Error: constant expression expected -- `ldr r4,=.Lend-.Lstart'
I suppose that when parsing the local labels, the addresses aren't resolved,
but still, they should be resolved when parsing the expression '.Lend -
.Lstart'.
If I use an intermediate local symbol,
.Lstart:
ldr r4, =0
.Lend:
.Ldiff = .Lend - .Lstart
ldr r4, =.Ldiff
it works as expected.
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