Messages in this thread | | | From | David Laight <> | Subject | RE: [PATCH 1/2] compiler.h: Avoid using inline asm operand modifiers | Date | Wed, 10 Nov 2021 10:39:35 +0000 |
| |
From: Vasily Gorbik > Sent: 08 November 2021 15:41 > > On Fri, Nov 05, 2021 at 09:54:18AM -0700, Josh Poimboeuf wrote: > > On Wed, May 19, 2021 at 03:03:08PM +0200, Vasily Gorbik wrote: > > > The expansion of annotate_reachable/annotate_unreachable on s390 will > > > result in a compiler error if the __COUNTER__ value is high enough. ... > > I wonder if we could go back to the original approach of providing > > __COUNTER__ as an input to the asm, but then mask it to < 128. ... > > * The __COUNTER__ based labels are a hack to make each instance of the macros > > * unique, to convince GCC not to merge duplicate inline asm statements.
I've used asm comments get the same effect. Annoyingly there isn't a standard comment delimiter.
I think you can just use a .equ (or .set) directive (to assign a value) rather than putting a value into a 'to be discarded' section.
David
- Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)
| |