[Bug target/66697] Feature request: -mstackrealign and force_align_arg_pointer for x86_64

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66697

--- Comment #23 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to H.J. Lu from comment #22)

> i386.h has
> 
> * Minimum stack boundary.  */
> #define MIN_STACK_BOUNDARY (TARGET_64BIT ? (TARGET_SSE ? 128 : 64) : 32)

But the patch changes this definition to:

 /* Minimum stack boundary.  */
-#define MIN_STACK_BOUNDARY (TARGET_64BIT ? (TARGET_SSE ? 128 : 64) : 32)
+#define MIN_STACK_BOUNDARY BITS_PER_WORD

So, we do have minimum stack boundary set to 64 bits in patched gcc.