fa50579a57
This includes:
- DIV.{W[U]/D[U]}
- MOD.{W[U]/D[U]}
Signed-off-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20220716085426.3098060-6-gaosong@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
55 lines
2.0 KiB
C
55 lines
2.0 KiB
C
#include <assert.h>
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#include <inttypes.h>
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#include <stdio.h>
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#define TEST_DIV(N, M) \
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static void test_div_ ##N(uint ## M ## _t rj, \
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uint ## M ## _t rk, \
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uint64_t rm) \
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{ \
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uint64_t rd = 0; \
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\
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asm volatile("div."#N" %0,%1,%2\n\t" \
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: "=r"(rd) \
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: "r"(rj), "r"(rk) \
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: ); \
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assert(rd == rm); \
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}
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#define TEST_MOD(N, M) \
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static void test_mod_ ##N(uint ## M ## _t rj, \
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uint ## M ## _t rk, \
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uint64_t rm) \
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{ \
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uint64_t rd = 0; \
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\
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asm volatile("mod."#N" %0,%1,%2\n\t" \
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: "=r"(rd) \
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: "r"(rj), "r"(rk) \
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: ); \
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assert(rd == rm); \
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}
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TEST_DIV(w, 32)
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TEST_DIV(wu, 32)
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TEST_DIV(d, 64)
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TEST_DIV(du, 64)
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TEST_MOD(w, 32)
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TEST_MOD(wu, 32)
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TEST_MOD(d, 64)
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TEST_MOD(du, 64)
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int main(void)
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{
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test_div_w(0xffaced97, 0xc36abcde, 0x0);
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test_div_wu(0xffaced97, 0xc36abcde, 0x1);
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test_div_d(0xffaced973582005f, 0xef56832a358b, 0xffffffffffffffa8);
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test_div_du(0xffaced973582005f, 0xef56832a358b, 0x11179);
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test_mod_w(0x7cf18c32, 0xa04da650, 0x1d3f3282);
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test_mod_wu(0x7cf18c32, 0xc04da650, 0x7cf18c32);
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test_mod_d(0x7cf18c3200000000, 0xa04da65000000000, 0x1d3f328200000000);
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test_mod_du(0x7cf18c3200000000, 0xc04da65000000000, 0x7cf18c3200000000);
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return 0;
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}
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