Re: [RFC PATCH 7/8] powerpc/purgatory: drop .machine specifier

Segher Boessenkool [off-list ref] writes:

On Thu, Feb 25, 2021 at 02:10:05PM +1100, Daniel Axtens wrote:

quoted

It's ignored by future versions of llvm's integrated assembler (by not -11).
I'm not sure what it does for us in gas.

It enables all insns that exist on 620 (the first 64-bit PowerPC CPU).

quoted

--- a/arch/powerpc/purgatory/trampoline_64.S
+++ b/arch/powerpc/purgatory/trampoline_64.S

@@ -12,7 +12,7 @@
 #include <asm/asm-compat.h>
 #include <asm/crashdump-ppc64.h>
 
-	.machine ppc64
+//upgrade clang, gets ignored	.machine ppc64

Why delete it if it is ignored?  Why add a cryptic comment?

Sorry, poor form on my part. I think I will give up on having llvm-11
work and target llvm HEAD, which means I can drop this.

Segher