[Bug target/86048] [8/9 Regression] .seh_savexmm offset is negative error when compiling libpng

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86048

--- Comment #4 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Author: ebotcazou
Date: Wed Jun 13 11:20:23 2018
New Revision: 261544

URL: https://gcc.gnu.org/viewcvs?rev=261544&root=gcc&view=rev
Log:
        PR target/86048
        * config/i386/winnt.c (i386_pe_seh_cold_init): Do not emit negative
        offsets for register save directives.  Emit a second batch of save
        directives, if need be, when the function accesses prior frames.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr86048.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/winnt.c
    trunk/gcc/testsuite/ChangeLog