Question about STD64 ABI

Torbjorn Granlund tg at
Fri Mar 30 12:44:14 CEST 2012

Torbjorn Granlund <tg at> writes:

  If GCC generates code that takes advantage if this rule, then I expect
  no problems at any standard platform.
GCC 4.7 on FreeBSD generates such code fpr bdiv_qr.c.  This is not a
leaf function, so rsp is moved down before the calls.  But the fact that
rsp[negative] is ever used means that this ABI feature is being


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