picorv32/tests/fence_i.S

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2015-06-06 08:01:37 -04:00
# 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_RV32U
RVTEST_CODE_BEGIN
li a3, 111
la a0, 3f
la a1, 1f
la a2, 2f
lw a0, 0(a0)
# test I$ hit
.align 6
sw a0, 0(a1)
fence.i
1: addi a3, a3, 222
TEST_CASE( 2, a3, 444, nop )
# test prefetcher hit
li a4, 100
1: addi a4, a4, -1
bnez a4, 1b
sw a0, 0(a2)
fence.i
.align 6
2: addi a3, a3, 555
TEST_CASE( 3, a3, 777, nop )
3: addi a3, a3, 333
TEST_PASSFAIL
RVTEST_CODE_END
.data
RVTEST_DATA_BEGIN
TEST_DATA
RVTEST_DATA_END