Re: use __builtin_alloca, drop non-standard alloca.h

2019-08-15 Thread Jeff Law
On 8/15/19 2:17 AM, Alexandre Oliva wrote: > Since alloca.h is not ISO C, most of our alloca-using tests seem to > rely on __builtin_alloca instead of including the header and calling > alloca. This patch extends this practice to some of the exceptions I > found in gcc.target, marking them as requ

use __builtin_alloca, drop non-standard alloca.h

2019-08-15 Thread Alexandre Oliva
Since alloca.h is not ISO C, most of our alloca-using tests seem to rely on __builtin_alloca instead of including the header and calling alloca. This patch extends this practice to some of the exceptions I found in gcc.target, marking them as requiring a functional alloca while at that. Tested on