blob: e6a69126be7f11a728a034181704631b7df8727a [file] [log] [blame]
# See LICENSE for license details.
#*****************************************************************************
# fence_i.S
#-----------------------------------------------------------------------------
#
# Test self-modifying code and the fence.i instruction.
#
#include "riscv_test.h"
#include "test_macros.h"
RVTEST_RV64U
RVTEST_CODE_BEGIN
li a3, 111
lh a0, insn
lh a1, insn+2
# test I$ hit
.align 6
sh a0, 2f, t0
sh a1, 2f+2, t0
fence.i
la a5, 2f
jalr t1, a5, 0
TEST_CASE( 2, a3, 444, nop )
# test prefetcher hit
li a4, 100
1: addi a4, a4, -1
bnez a4, 1b
sh a0, 3f, t0
sh a1, 3f+2, t0
fence.i
.align 6
la a5, 3f
jalr t1, a5, 0
TEST_CASE( 3, a3, 777, nop )
TEST_PASSFAIL
RVTEST_CODE_END
.data
RVTEST_DATA_BEGIN
TEST_DATA
insn:
addi a3, a3, 333
2: addi a3, a3, 222
jalr a5, t1, 0
3: addi a3, a3, 555
jalr a5, t1, 0
RVTEST_DATA_END