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authorYunsup Lee <yunsup@cs.berkeley.edu>2013-04-22 14:56:59 -0700
committerYunsup Lee <yunsup@cs.berkeley.edu>2013-04-22 14:56:59 -0700
commit81ad66f25ce4c15180e558696961bd8eaf967fea (patch)
treed70676fb1d11a4a66a268f7860d3ef7d469987fe /isa/rv64ui/blt.S
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+#*****************************************************************************
+# blt.S
+#-----------------------------------------------------------------------------
+#
+# Test blt instruction.
+#
+
+#include "riscv_test.h"
+#include "test_macros.h"
+
+RVTEST_RV64U
+RVTEST_CODE_BEGIN
+
+ #-------------------------------------------------------------
+ # Branch tests
+ #-------------------------------------------------------------
+
+ # Each test checks both forward and backward branches
+
+ TEST_BR2_OP_TAKEN( 2, blt, 0, 1 );
+ TEST_BR2_OP_TAKEN( 3, blt, -1, 1 );
+ TEST_BR2_OP_TAKEN( 4, blt, -2, -1 );
+
+ TEST_BR2_OP_NOTTAKEN( 5, blt, 1, 0 );
+ TEST_BR2_OP_NOTTAKEN( 6, blt, 1, -1 );
+ TEST_BR2_OP_NOTTAKEN( 7, blt, -1, -2 );
+ TEST_BR2_OP_NOTTAKEN( 8, blt, 1, -2 );
+
+ #-------------------------------------------------------------
+ # Bypassing tests
+ #-------------------------------------------------------------
+
+ TEST_BR2_SRC12_BYPASS( 9, 0, 0, blt, 0, -1 );
+ TEST_BR2_SRC12_BYPASS( 10, 0, 1, blt, 0, -1 );
+ TEST_BR2_SRC12_BYPASS( 11, 0, 2, blt, 0, -1 );
+ TEST_BR2_SRC12_BYPASS( 12, 1, 0, blt, 0, -1 );
+ TEST_BR2_SRC12_BYPASS( 13, 1, 1, blt, 0, -1 );
+ TEST_BR2_SRC12_BYPASS( 14, 2, 0, blt, 0, -1 );
+
+ TEST_BR2_SRC12_BYPASS( 15, 0, 0, blt, 0, -1 );
+ TEST_BR2_SRC12_BYPASS( 16, 0, 1, blt, 0, -1 );
+ TEST_BR2_SRC12_BYPASS( 17, 0, 2, blt, 0, -1 );
+ TEST_BR2_SRC12_BYPASS( 18, 1, 0, blt, 0, -1 );
+ TEST_BR2_SRC12_BYPASS( 19, 1, 1, blt, 0, -1 );
+ TEST_BR2_SRC12_BYPASS( 20, 2, 0, blt, 0, -1 );
+
+ #-------------------------------------------------------------
+ # Test delay slot instructions not executed nor bypassed
+ #-------------------------------------------------------------
+
+ TEST_CASE( 21, x1, 3, \
+ li x1, 1; \
+ blt x0, x1, 1f; \
+ addi x1, x1, 1; \
+ addi x1, x1, 1; \
+ addi x1, x1, 1; \
+ addi x1, x1, 1; \
+1: addi x1, x1, 1; \
+ addi x1, x1, 1; \
+ )
+
+ TEST_PASSFAIL
+
+RVTEST_CODE_END
+
+ .data
+RVTEST_DATA_BEGIN
+
+ TEST_DATA
+
+RVTEST_DATA_END