unaligned_load.c: Added more naive_strcpy tests
Added tests for naive_strcpy using a variety of different regs, as execution time can depend on which register is being used.
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@ -65,6 +65,84 @@ void test_naive_strcpy(const char *string)
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;
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}
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void test_naive_strcpy_a0(const char *string)
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{
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asm volatile (
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" mov a8, %0 \n"
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" mov a9, %1 \n"
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"tns_loop%=: l8ui a0, a9, 0 \n"
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" addi.n a9, a9, 1 \n"
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" s8i a0, a8, 0 \n"
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" addi.n a8, a8, 1 \n"
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" bnez a0, tns_loop%=\n"
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: : "r" (buf), "r" (string) : "a0", "a8", "a9");
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}
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void test_naive_strcpy_a2(const char *string)
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{
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asm volatile (
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" mov a8, %0 \n"
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" mov a9, %1 \n"
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"tns_loop%=: l8ui a2, a9, 0 \n"
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" addi.n a9, a9, 1 \n"
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" s8i a2, a8, 0 \n"
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" addi.n a8, a8, 1 \n"
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" bnez a2, tns_loop%=\n"
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: : "r" (buf), "r" (string) : "a2", "a8", "a9");
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}
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void test_naive_strcpy_a3(const char *string)
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{
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asm volatile (
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" mov a8, %0 \n"
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" mov a9, %1 \n"
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"tns_loop%=: l8ui a3, a9, 0 \n"
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" addi.n a9, a9, 1 \n"
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" s8i a3, a8, 0 \n"
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" addi.n a8, a8, 1 \n"
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" bnez a3, tns_loop%=\n"
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: : "r" (buf), "r" (string) : "a3", "a8", "a9");
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}
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void test_naive_strcpy_a4(const char *string)
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{
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asm volatile (
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" mov a8, %0 \n"
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" mov a9, %1 \n"
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"tns_loop%=: l8ui a4, a9, 0 \n"
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" addi.n a9, a9, 1 \n"
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" s8i a4, a8, 0 \n"
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" addi.n a8, a8, 1 \n"
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" bnez a4, tns_loop%=\n"
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: : "r" (buf), "r" (string) : "a4", "a8", "a9");
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}
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void test_naive_strcpy_a5(const char *string)
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{
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asm volatile (
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" mov a8, %0 \n"
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" mov a9, %1 \n"
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"tns_loop%=: l8ui a5, a9, 0 \n"
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" addi.n a9, a9, 1 \n"
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" s8i a5, a8, 0 \n"
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" addi.n a8, a8, 1 \n"
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" bnez a5, tns_loop%=\n"
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: : "r" (buf), "r" (string) : "a5", "a8", "a9");
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}
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void test_naive_strcpy_a6(const char *string)
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{
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asm volatile (
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" mov a8, %0 \n"
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" mov a9, %1 \n"
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"tns_loop%=: l8ui a6, a9, 0 \n"
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" addi.n a9, a9, 1 \n"
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" s8i a6, a8, 0 \n"
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" addi.n a8, a8, 1 \n"
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" bnez a6, tns_loop%=\n"
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: : "r" (buf), "r" (string) : "a6", "a8", "a9");
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}
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void test_l16si(const char *string)
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{
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/* This follows most of the l16si path, but as the
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@ -118,6 +196,12 @@ void test_string(const char *string, char *label, bool evict_cache)
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run_test(string, test_memcpy_unaligned2, "memcpy - unaligned start&len", nullvalue, evict_cache);
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run_test(string, test_strcpy, "strcpy", nullvalue, evict_cache);
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run_test(string, test_naive_strcpy, "naive strcpy", nullvalue, evict_cache);
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run_test(string, test_naive_strcpy_a0, "naive strcpy (a0)", nullvalue, evict_cache);
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run_test(string, test_naive_strcpy_a2, "naive strcpy (a2)", nullvalue, evict_cache);
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run_test(string, test_naive_strcpy_a3, "naive strcpy (a3)", nullvalue, evict_cache);
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run_test(string, test_naive_strcpy_a4, "naive strcpy (a4)", nullvalue, evict_cache);
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run_test(string, test_naive_strcpy_a5, "naive strcpy (a5)", nullvalue, evict_cache);
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run_test(string, test_naive_strcpy_a6, "naive strcpy (a6)", nullvalue, evict_cache);
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run_test(string, test_sprintf, "sprintf", nullvalue, evict_cache);
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run_test(string, test_sprintf_arg, "sprintf format arg", nullvalue, evict_cache);
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run_test(string, test_l16si, "load as l16si", nullvalue, evict_cache);
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