basic asm and memory clobbers

[Andrew Haley]

On 20/11/15 10:37, David Wohlferd wrote:
> The intent for 24414 is to change basic asm such that it will become 
> (quoting jeff) "an opaque blob that read/write/clobber any register or 
> memory location."  Such being the case, "memory" is not sufficient:
> 
> #define CLOBBERALL "eax", "ebx", "ecx", "edx", "r8", "r9", "r10", "r11", 
> "r12", "r13", "r14", "r15", "edi", "esi", "ebp", "cc", "memory"

Hmm.  I would not be at all surprised to see this cause reload
failures.  You certainly shouldn't clobber the frame pointer on
any machine which needs one.

Andrew.