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tests/tcg/mips: Add tests for R5900 MTLO1 and MTHI1
Add a test for MTLO1 and MTHI1. Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com> Signed-off-by: Fredrik Noring <noring@nocrew.org> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
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@ -9,6 +9,7 @@ CC = $(CROSS)gcc
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CFLAGS = -Wall -mabi=32 -march=r5900 -static
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TESTCASES = mflohi1.tst
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TESTCASES += mtlohi1.tst
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TESTCASES += mult.tst
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TESTCASES += multu.tst
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@ -0,0 +1,40 @@
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/*
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* Test R5900-specific MTLO1 and MTHI1.
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*/
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#include <stdio.h>
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#include <inttypes.h>
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#include <assert.h>
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int main()
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{
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int32_t tlo = 12207031, thi = 305175781;
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int32_t tlo1 = 32452867, thi1 = 49979687;
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int32_t flo, fhi, flo1, fhi1;
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/* Test both LO/HI and LO1/HI1 to verify separation. */
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__asm__ __volatile__ (
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" mtlo %4\n"
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" mthi %5\n"
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" mtlo1 %6\n"
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" mthi1 %7\n"
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" move %0, $0\n"
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" move %1, $0\n"
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" move %2, $0\n"
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" move %3, $0\n"
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" mflo %0\n"
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" mfhi %1\n"
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" mflo1 %2\n"
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" mfhi1 %3\n"
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: "=r" (flo), "=r" (fhi),
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"=r" (flo1), "=r" (fhi1)
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: "r" (tlo), "r" (thi),
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"r" (tlo1), "r" (thi1));
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assert(flo == 12207031);
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assert(fhi == 305175781);
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assert(flo1 == 32452867);
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assert(fhi1 == 49979687);
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return 0;
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}
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