old-cross-binutils/gdb/testsuite/gdb.arch/s390-vregs.S

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/* Copyright 2015 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
.text
/* 'check_vx': Yield SIGILL unless vector support is
available. Have a "pit stop" breakpoint here. */
.align 8
.type check_vx, @function
check_vx:
.cfi_startproc
/* vlr %v0,%v0 */
.byte 0xe7,0x00,0x00,0x00,0x00,0x56
br %r14
.cfi_endproc
.size check_vx, .-check_vx
/* 'store_vrs': Store vector registers in save_area. */
.align 8
.type store_vrs, @function
store_vrs:
.cfi_startproc
larl %r1,save_area
/* vstm %v0,%v15,0(%r1) */
.byte 0xe7,0x0f,0x10,0x00,0x00,0x3e
/* vstm %v16,%v31,256(%r1) */
.byte 0xe7,0x0f,0x11,0x00,0x0c,0x3e
br %r14
.cfi_endproc
.size store_vrs, .-store_vrs
/* 'change_vrs': Manipulate vector registers according to a
simple algorithm. */
.align 8
.type change_vrs, @function
change_vrs:
.cfi_startproc
lghi %r1,16
lghi %r3,0xff
1: .insn ril,0xc60000000000,%r3,2f /* exrl */
.insn ril,0xc60000000000,%r3,1f /* exrl */
aghi %r3,-0x11
brctg %r1,1b
br %r14
.cfi_endproc
/* vmlf %v0,%v0,%v0 */
1: .byte 0xe7,0x00,0x00,0x00,0x20,0xa2
/* vmlf %v16,%v16,%v0 */
2: .byte 0xe7,0x00,0x00,0x00,0x2c,0xa2
/* 'main': Perform actions according to test case logic.
Invoke check_vx whenever a pit stop is required. */
.section .text.startup,"ax",@progbits
.align 8
.globl main
.type main, @function
main:
.cfi_startproc
stmg %r14,%r15,112(%r15)
aghi %r15,-160
bras %r14,check_vx
bras %r14,store_vrs
bras %r14,check_vx
bras %r14,change_vrs
bras %r14,check_vx
lmg %r14,%r15,272(%r15)
lghi %r2,0
br %r14
.cfi_endproc
.size main, .-main
.local save_area
.comm save_area,512,16
.section .note.GNU-stack,"",@progbits