1# REQUIRES: ppc
2# XFAIL: *
3
4# RUN: llvm-readelf -r --wide  %p/Inputs/ppc64le-quadword-ldst.o | FileCheck --check-prefix=QuadInputRelocs %s
5
6# RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %p/Inputs/shared-ppc64.s -o %t2.o
7# RUN: ld.lld -shared %t2.o -o %t2.so
8
9# RUN: ld.lld  %t2.so %p/Inputs/ppc64le-quadword-ldst.o -o %t
10# RUN: llvm-objdump -d %t | FileCheck --check-prefix=Dis %s
11
12# RUN: ld.lld --no-toc-optimize %t2.so %p/Inputs/ppc64le-quadword-ldst.o -o %t
13# RUN: llvm-objdump -d %t | FileCheck --check-prefix=NoOpt %s
14
15# QuadInputRelocs: Relocation section '.rela.text'
16# QuadInputRelocs:  R_PPC64_TOC16_LO_DS    0000000000000000 quadLd
17# QuadInputRelocs:  R_PPC64_TOC16_LO_DS    0000000000000010 quadSt
18
19# The powerpc backend doesn't support the quadword load/store instructions yet.
20# So they are tested by linking against an object file assembled with
21# `as -mpower9 -o ppc64le-quadword-ldst.o in.s` and checking the encoding of
22# the unknown instructions in the dissasembly. Source used as input:
23#quads:
24#.Lbegin_quads:
25#.Lgep_quads:
26#        addis 2, 12, .TOC.-.Lgep_quads@ha
27#        addi  2, 2, .TOC.-.Lgep_quads@l
28#.Llep_quads:
29#.localentry quads, .Llep_quads-.Lgep_quads
30#        addis 3, 2, quadLd@toc@ha
31#        lq    4,    quadLd@toc@l(3)
32#        addis 3, 2, quadSt@toc@ha
33#        stq   4,    quadSt@toc@l(3)
34#        blr
35#
36#        .p2align 4
37#        .global quadLd
38#        .lcomm  quadLd, 16
39#
40#        .global quadSt
41#        .lcomm  quadSt, 16
42
43
44# e0 82 7f 70 decodes to | 111000 | 00100 | 00010 | 16-bit imm |
45#                        |   56   |   4   |   2   |   32624    |
46# which is `lq r4, 32624(r2)`
47# f8 82 7f 82 decodes to | 111110 | 00100 | 00010 | 14-bit imm | 10 |
48#                        |   62   |   4   |   2   |    8160    | 2  |
49# The immediate represents a word offset so this dissasembles to:
50# `stq r4, 32640(r2)`
51# Dis-LABEL: quads:
52# Dis-NEXT:    addis
53# Dis-NEXT:    addi
54# Dis-NEXT:    nop
55# Dis-NEXT:    70 7f 82 e0  <unknown>
56# Dis-NEXT:    nop
57# Dis-NEXT:    82 7f 82 f8  <unknown>
58# Dis-NEXT:    blr
59
60# e0 83 7f 70 decodes to | 111000 | 00100 | 00011 | 16-bit imm |
61#                        |   56   |   4   |   3   |   32624    |
62# `lq r4, 32624(r3)`
63# f8 83 7f 82 decodes to | 111110 | 00100 | 00010 | 14-bit imm | 10 |
64#                        |   62   |   4   |   2   |    8160    | 2  |
65# `stq r4, 32640(r3)`
66# NoOpt-LABEL: quads:
67# NoOpt-NEXT:    addis
68# NoOpt-NEXT:    addi
69# NoOpt-NEXT:    addis 3, 2, 0
70# NoOpt-NEXT:    70 7f 83 e0  <unknown>
71# NoOpt-NEXT:    addis 3, 2, 0
72# NoOpt-NEXT:    82 7f 83 f8  <unknown>
73# NoOpt-NEXT:    blr
74