[LLVMdev] PIC16 question
sanjiv.gupta at microchip.com
Sun Sep 13 19:53:57 PDT 2009
Chris Lattner wrote:
> In my ongoing work on refactoring the asmprinters, I've found that
> PIC16 doesn't put ':' after labels in some cases. Specifically, it
> looks like basic block labels are emitted without a ':':
> movwf @__floatunsidf.frame. + 2
> movlp .BB1_2
> goto .BB1_2
> .BB1_2 ; %bb7
> movlw 0
> banksel @__floatunsidf.frame.
> but that functions and global variables are. Does lack of a colon
> mean that the label is private to the file? Is a colon on the basic
> block harmful
> (IOW, can I just emit basic block labels with a colon
> even though they aren't currently)?
A ':' does not make any difference to pic16 labels.
They are optional.
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