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authorTim Newsome <tim@sifive.com>2022-06-07 13:34:39 -0700
committerTim Newsome <tim@sifive.com>2022-06-07 13:39:55 -0700
commitfb04a343df61c55849edc7734bc2a60d615fe49c (patch)
tree0e6cebc9460b27150365077387fc4829729407fa /isa/rv64mi/ld-misaligned.S
parentafef86516d1ec7289bae24e3ad247cca57e3fb3b (diff)
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Test misaligned loads.
Cover lh, lw, and ld (only on rv64).
Diffstat (limited to 'isa/rv64mi/ld-misaligned.S')
-rw-r--r--isa/rv64mi/ld-misaligned.S45
1 files changed, 45 insertions, 0 deletions
diff --git a/isa/rv64mi/ld-misaligned.S b/isa/rv64mi/ld-misaligned.S
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+# See LICENSE for license details.
+
+#*****************************************************************************
+# lw-unaligned.S
+#-----------------------------------------------------------------------------
+#
+# Test that misaligned loads work or raise the correct exception
+# This test assumes the target is little-endian
+#
+
+#include "riscv_test.h"
+#include "test_macros.h"
+
+RVTEST_RV64M
+RVTEST_CODE_BEGIN
+
+ TEST_LD_OP( 2, ld, 0x0807060504030201, 0, tdat );
+ TEST_LD_OP( 3, ld, 0x0908070605040302, 1, tdat );
+ TEST_LD_OP( 4, ld, 0x0a09080706050403, 2, tdat );
+ TEST_LD_OP( 5, ld, 0x0b0a090807060504, 3, tdat );
+ TEST_LD_OP( 6, ld, 0x0c0b0a0908070605, 4, tdat );
+ TEST_LD_OP( 7, ld, 0x0d0c0b0a09080706, 5, tdat );
+ TEST_LD_OP( 8, ld, 0x0e0d0c0b0a090807, 6, tdat );
+ TEST_LD_OP( 9, ld, 0x0f0e0d0c0b0a0908, 7, tdat );
+
+2:
+ TEST_PASSFAIL
+
+ .align 2
+ .global mtvec_handler
+mtvec_handler:
+ MISALIGNED_LOAD_HANDLER
+
+RVTEST_CODE_END
+
+ .data
+RVTEST_DATA_BEGIN
+
+ TEST_DATA
+
+tdat:
+ .byte 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08
+ .byte 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10
+
+RVTEST_DATA_END