[Bug target/66232] -fPIC -fno-plt -mx32 fails to generate indirect branch via GOT

[uros at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66232

--- Comment #8 from uros at gcc dot gnu.org ---
Author: uros
Date: Wed Dec 23 09:49:28 2015
New Revision: 231923

URL: https://gcc.gnu.org/viewcvs?rev=231923&root=gcc&view=rev
Log:
[PATCH] Allow indirect call via GOT for 64-bit Pmode x32

From: H.J. Lu  <hongjiu.lu@intel.com>

Since Pmode is 64-bit with -maddress-mode=long for x32, indirect call
via GOT slot doesn't need zero_extend.  This patch enables indirect call
via GOT for x32 with 64-bit Pmode.

gcc/

        PR target/66232
        * config/i386/constraints.md (Bs): Allow GOT slot for x32 with
        64-bit Pmode.
        (Bw): Likewise.
        (Bz): Likewise.
        * config/i386/predicates.md (call_insn_operand): Likewise.
        (sibcall_insn_operand): Likewise.

gcc/testsuite/

        PR target/66232
        * gcc.target/i386/pr66232-10.c: New test.
        * gcc.target/i386/pr66232-11.c: Likewise.
        * gcc.target/i386/pr66232-12.c: Likewise.
        * gcc.target/i386/pr66232-13.c: Likewise.


Added:
    trunk/gcc/testsuite/gcc.target/i386/pr66232-10.c
    trunk/gcc/testsuite/gcc.target/i386/pr66232-11.c
    trunk/gcc/testsuite/gcc.target/i386/pr66232-12.c
    trunk/gcc/testsuite/gcc.target/i386/pr66232-13.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/constraints.md
    trunk/gcc/config/i386/predicates.md
    trunk/gcc/testsuite/ChangeLog