Hi Frank,

thanks for the reminder. Patch pushed.

best regards
 Waldemar

Frank Mehnert wrote,

> Ping? :-)
> 
> Frank
> 
> On Dienstag, 28. Januar 2025 14:31:02 MEZ Marcus Haehnel wrote:
> > From: Frank Mehnert <[email protected]>
> > 
> > In a .p2align directive, the maximum number of bytes to skip shall be at
> > most the intended alignment minus 1. Certain assemblers warn otherwise:
> > 
> >     spn.S:97:14: warning: maximum bytes expression exceeds alignment
> >                  and has no effect
> >    .p2align 3,,8
> >                ^
> > 
> > Change-Id: I5ad48f6f3c3036d8d33d3710ed8d5b5a35bf1fea
> > Signed-off-by: Marcus Haehnel <[email protected]>
> > ---
> >  libc/string/x86_64/strcat.S  | 2 +-
> >  libc/string/x86_64/strcspn.S | 2 +-
> >  libc/string/x86_64/strlen.S  | 2 +-
> >  libc/string/x86_64/strspn.S  | 2 +-
> >  4 files changed, 4 insertions(+), 4 deletions(-)
> > 
> > diff --git a/libc/string/x86_64/strcat.S b/libc/string/x86_64/strcat.S
> > index 55e09e5f1..209e19062 100644
> > --- a/libc/string/x86_64/strcat.S
> > +++ b/libc/string/x86_64/strcat.S
> > @@ -106,7 +106,7 @@ ENTRY (BP_SYM (strcat))
> >  
> >     /* Align, it is a jump target.  */
> >     /* Next 3 insns are 8 bytes total, make sure we decode them in one go */
> > -   .p2align 3,,8
> > +   .p2align 3,,7
> >  3:
> >     subq $8,%rax            /* correct pointer increment.  */
> >  
> > diff --git a/libc/string/x86_64/strcspn.S b/libc/string/x86_64/strcspn.S
> > index 7a06c8867..5ef565db7 100644
> > --- a/libc/string/x86_64/strcspn.S
> > +++ b/libc/string/x86_64/strcspn.S
> > @@ -94,7 +94,7 @@ L(1):     leaq -4(%rdx), %rax     /* prepare loop */
> >     /* but it will also align entire function to 16 bytes, */
> >     /* potentially creating largish padding at link time. */
> >     /* We are aligning to 8 bytes instead: */
> > -   .p2align 3,,8
> > +   .p2align 3,,7
> >  
> >  L(3):      addq $4, %rax           /* adjust pointer for full loop round */
> >  
> > diff --git a/libc/string/x86_64/strlen.S b/libc/string/x86_64/strlen.S
> > index 9e84326c2..2fe2f58b2 100644
> > --- a/libc/string/x86_64/strlen.S
> > +++ b/libc/string/x86_64/strlen.S
> > @@ -102,7 +102,7 @@ ENTRY (strlen)
> >  
> >     /* Align, it is a jump target.  */
> >     /* Next 3 insns are 8 bytes total, make sure we decode them in one go */
> > -   .p2align 3,,8
> > +   .p2align 3,,7
> >  3:
> >     subq $8,%rax            /* correct pointer increment.  */
> >  
> > diff --git a/libc/string/x86_64/strspn.S b/libc/string/x86_64/strspn.S
> > index 366377649..8dc42656b 100644
> > --- a/libc/string/x86_64/strspn.S
> > +++ b/libc/string/x86_64/strspn.S
> > @@ -89,7 +89,7 @@ L(1):     leaq -4(%rdx), %rax     /* prepare loop */
> >     /* but it will also align entire function to 16 bytes, */
> >     /* potentially creating largish padding at link time. */
> >     /* We are aligning to 8 bytes instead: */
> > -   .p2align 3,,8
> > +   .p2align 3,,7
> >  L(3):
> >     addq $4, %rax           /* adjust pointer for full loop round */
> >  
> > 
> 
> 
> -- 
> Dr.-Ing. Frank Mehnert, [email protected], +49-351-41 883 224
> 
> Kernkonzept GmbH.  Sitz: Dresden.  Amtsgericht Dresden, HRB 31129.
> Geschäftsführer: Dr.-Ing. Michael Hohmuth
> 
> 
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