isa/rv64uc/rvc.S

   1 # See LICENSE for license details.
   2
   3 #*****************************************************************************
   4 # rvc.S
   5 #-----------------------------------------------------------------------------
   6 #
   7 # Test RVC corner cases.
   8 #
   9
  10 #include "riscv_test.h"
  11 #include "test_macros.h"
  12
  13 RVTEST_RV64U
  14 RVTEST_CODE_BEGIN
  15
  16   .option push
  17   .option norvc
  18
  19   #define RVC_TEST_CASE(n, r, v, code...) \
  20     TEST_CASE (n, r, v, .option push; .option rvc; code; .option pop)
  21
  22   // Make sure fetching a 4-byte instruction across a page boundary works.
  23   li TESTNUM, 2
  24   li a1, 666
  25   li a2, 1
  26   RVC_TEST_CASE (2, a1, 2, \
  27         j 1f; \
  28         .align 12; \
  29         .skip 4094; \
  30       1: addi a1, a2, 1)
  31
  32   li sp, 0x1234
  33   RVC_TEST_CASE (3, a0, 0x1234 + 1020, c.addi4spn a0, sp, 1020)
  34   RVC_TEST_CASE (4, sp, 0x1234 + 496, c.addi16sp sp, 496)
  35   RVC_TEST_CASE (5, sp, 0x1234 + 496 - 512, c.addi16sp sp, -512)
  36
  37   la a1, data
  38   RVC_TEST_CASE (6, a2, 0xfffffffffedcba99, c.lw a0, 4(a1); addi a0, a0, 1; c.sw a0, 4(a1); c.lw a2, 4(a1))
  39 #ifdef __riscv64
  40   RVC_TEST_CASE (7, a2, 0xfedcba9976543211, c.ld a0, 0(a1); addi a0, a0, 1; c.sd a0, 0(a1); c.ld a2, 0(a1))
  41 #endif
  42
  43   RVC_TEST_CASE (8, a0, -15, ori a0, x0, 1; c.addi a0, -16)
  44   RVC_TEST_CASE (9, a5, -16, ori a5, x0, 1; c.li a5, -16)
  45 #ifdef __riscv64
  46   RVC_TEST_CASE (10, a0, 0x76543210, ld a0, (a1); c.addiw a0, -1)
  47 #endif
  48
  49   RVC_TEST_CASE (11, s0, 0xffffffffffffffe1, c.lui s0, 0xfffe1; c.srai s0, 12)
  50 #ifdef __riscv64
  51   RVC_TEST_CASE (12, s0, 0x000fffffffffffe1, c.lui s0, 0xfffe1; c.srli s0, 12)
  52 #else
  53   RVC_TEST_CASE (12, s0, 0x000fffe1, c.lui s0, 0xfffe1; c.srli s0, 12)
  54 #endif
  55   RVC_TEST_CASE (14, s0, ~0x11, c.li s0, -2; c.andi s0, ~0x10)
  56   RVC_TEST_CASE (15, s1, 14, li s1, 20; li a0, 6; c.sub s1, a0)
  57   RVC_TEST_CASE (16, s1, 18, li s1, 20; li a0, 6; c.xor s1, a0)
  58   RVC_TEST_CASE (17, s1, 22, li s1, 20; li a0, 6; c.or s1, a0)
  59   RVC_TEST_CASE (18, s1,  4, li s1, 20; li a0, 6; c.and s1, a0)
  60 #ifdef __riscv64
  61   RVC_TEST_CASE (19, s1, 0xffffffff80000000, li s1, 0x7fffffff; li a0, -1; c.subw s1, a0)
  62   RVC_TEST_CASE (20, s1, 0xffffffff80000000, li s1, 0x7fffffff; li a0, 1; c.addw s1, a0)
  63 #endif
  64   RVC_TEST_CASE (21, s0, 0x12340, li s0, 0x1234; c.slli s0, 4)
  65
  66   RVC_TEST_CASE (30, ra, 0, \
  67         li ra, 0; \
  68         c.j 1f; \
  69         c.j 2f; \
  70       1:c.j 1f; \
  71       2:j fail; \
  72       1:)
  73
  74   RVC_TEST_CASE (31, x0, 0, \
  75         li a0, 0; \
  76         c.beqz a0, 1f; \
  77         c.j 2f; \
  78       1:c.j 1f; \
  79       2:j fail; \
  80       1:)
  81
  82   RVC_TEST_CASE (32, x0, 0, \
  83         li a0, 1; \
  84         c.bnez a0, 1f; \
  85         c.j 2f; \
  86       1:c.j 1f; \
  87       2:j fail; \
  88       1:)
  89
  90   RVC_TEST_CASE (33, x0, 0, \
  91         li a0, 1; \
  92         c.beqz a0, 1f; \
  93         c.j 2f; \
  94       1:c.j fail; \
  95       2:)
  96
  97   RVC_TEST_CASE (34, x0, 0, \
  98         li a0, 0; \
  99         c.bnez a0, 1f; \
 100         c.j 2f; \
 101       1:c.j fail; \
 102       2:)
 103
 104   RVC_TEST_CASE (35, ra, 0, \
 105         la t0, 1f; \
 106         li ra, 0; \
 107         c.jr t0; \
 108         c.j 2f; \
 109       1:c.j 1f; \
 110       2:j fail; \
 111       1:)
 112
 113   RVC_TEST_CASE (36, ra, -2, \
 114         la t0, 1f; \
 115         li ra, 0; \
 116         c.jalr t0; \
 117         c.j 2f; \
 118       1:c.j 1f; \
 119       2:j fail; \
 120       1:sub ra, ra, t0)
 121
 122 #ifdef __riscv32
 123   RVC_TEST_CASE (37, ra, -2, \
 124         la t0, 1f; \
 125         li ra, 0; \
 126         c.jal 1f; \
 127         c.j 2f; \
 128       1:c.j 1f; \
 129       2:j fail; \
 130       1:sub ra, ra, t0)
 131 #endif
 132
 133   la sp, data
 134   RVC_TEST_CASE (40, a2, 0xfffffffffedcba99, c.lwsp a0, 12(sp); addi a0, a0, 1; c.swsp a0, 12(sp); c.lwsp a2, 12(sp))
 135 #ifdef __riscv64
 136   RVC_TEST_CASE (41, a2, 0xfedcba9976543211, c.ldsp a0, 8(sp); addi a0, a0, 1; c.sdsp a0, 8(sp); c.ldsp a2, 8(sp))
 137 #endif
 138
 139   RVC_TEST_CASE (42, t0, 0x246, li a0, 0x123; c.mv t0, a0; c.add t0, a0)
 140
 141   .option pop
 142
 143   TEST_PASSFAIL
 144
 145 RVTEST_CODE_END
 146
 147   .data
 148 RVTEST_DATA_BEGIN
 149
 150 data:
 151   .dword 0xfedcba9876543210
 152   .dword 0xfedcba9876543210
 153
 154 RVTEST_DATA_END