bltu.S revision 12771:75508af5d8dc 
1# See LICENSE for license details.
2
3#*****************************************************************************
4# bltu.S
5#-----------------------------------------------------------------------------
6#
7# Test bltu instruction.
8#
9
10#include "riscv_test.h"
11#include "test_macros.h"
12
13RVTEST_RV64U
14RVTEST_CODE_BEGIN
15
16  #-------------------------------------------------------------
17  # Branch tests
18  #-------------------------------------------------------------
19
20  # Each test checks both forward and backward branches
21
22  TEST_BR2_OP_TAKEN( 2, bltu, 0x00000000, 0x00000001 );
23  TEST_BR2_OP_TAKEN( 3, bltu, 0xfffffffe, 0xffffffff );
24  TEST_BR2_OP_TAKEN( 4, bltu, 0x00000000, 0xffffffff );
25
26  TEST_BR2_OP_NOTTAKEN( 5, bltu, 0x00000001, 0x00000000 );
27  TEST_BR2_OP_NOTTAKEN( 6, bltu, 0xffffffff, 0xfffffffe );
28  TEST_BR2_OP_NOTTAKEN( 7, bltu, 0xffffffff, 0x00000000 );
29  TEST_BR2_OP_NOTTAKEN( 8, bltu, 0x80000000, 0x7fffffff );
30
31  #-------------------------------------------------------------
32  # Bypassing tests
33  #-------------------------------------------------------------
34
35  TEST_BR2_SRC12_BYPASS( 9,  0, 0, bltu, 0xf0000000, 0xefffffff );
36  TEST_BR2_SRC12_BYPASS( 10, 0, 1, bltu, 0xf0000000, 0xefffffff );
37  TEST_BR2_SRC12_BYPASS( 11, 0, 2, bltu, 0xf0000000, 0xefffffff );
38  TEST_BR2_SRC12_BYPASS( 12, 1, 0, bltu, 0xf0000000, 0xefffffff );
39  TEST_BR2_SRC12_BYPASS( 13, 1, 1, bltu, 0xf0000000, 0xefffffff );
40  TEST_BR2_SRC12_BYPASS( 14, 2, 0, bltu, 0xf0000000, 0xefffffff );
41
42  TEST_BR2_SRC12_BYPASS( 15, 0, 0, bltu, 0xf0000000, 0xefffffff );
43  TEST_BR2_SRC12_BYPASS( 16, 0, 1, bltu, 0xf0000000, 0xefffffff );
44  TEST_BR2_SRC12_BYPASS( 17, 0, 2, bltu, 0xf0000000, 0xefffffff );
45  TEST_BR2_SRC12_BYPASS( 18, 1, 0, bltu, 0xf0000000, 0xefffffff );
46  TEST_BR2_SRC12_BYPASS( 19, 1, 1, bltu, 0xf0000000, 0xefffffff );
47  TEST_BR2_SRC12_BYPASS( 20, 2, 0, bltu, 0xf0000000, 0xefffffff );
48
49  #-------------------------------------------------------------
50  # Test delay slot instructions not executed nor bypassed
51  #-------------------------------------------------------------
52
53  TEST_CASE( 21, x1, 3, \
54    li  x1, 1; \
55    bltu x0, x1, 1f; \
56    addi x1, x1, 1; \
57    addi x1, x1, 1; \
58    addi x1, x1, 1; \
59    addi x1, x1, 1; \
601:  addi x1, x1, 1; \
61    addi x1, x1, 1; \
62  )
63
64  TEST_PASSFAIL
65
66RVTEST_CODE_END
67
68  .data
69RVTEST_DATA_BEGIN
70
71  TEST_DATA
72
73RVTEST_DATA_END
74