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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>
This commit is contained in:
Fredrik Noring 2018-10-21 17:41:58 +02:00 committed by Aleksandar Markovic
parent 3303f017ad
commit 4d261a6a59
2 changed files with 41 additions and 0 deletions
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1
tests/tcg/mips/mipsr5900/Makefile
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@ -9,6 +9,7 @@ CC = $(CROSS)gcc
CFLAGS = -Wall -mabi=32 -march=r5900 -static
TESTCASES = mflohi1.tst
TESTCASES += mtlohi1.tst
TESTCASES += mult.tst
TESTCASES += multu.tst

40
tests/tcg/mips/mipsr5900/mtlohi1.c Normal file
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@ -0,0 +1,40 @@
/*
* Test R5900-specific MTLO1 and MTHI1.
*/
#include <stdio.h>
#include <inttypes.h>
#include <assert.h>
int main()
{
int32_t tlo = 12207031, thi = 305175781;
int32_t tlo1 = 32452867, thi1 = 49979687;
int32_t flo, fhi, flo1, fhi1;
/* Test both LO/HI and LO1/HI1 to verify separation. */
__asm__ __volatile__ (
" mtlo %4\n"
" mthi %5\n"
" mtlo1 %6\n"
" mthi1 %7\n"
" move %0, $0\n"
" move %1, $0\n"
" move %2, $0\n"
" move %3, $0\n"
" mflo %0\n"
" mfhi %1\n"
" mflo1 %2\n"
" mfhi1 %3\n"
: "=r" (flo), "=r" (fhi),
"=r" (flo1), "=r" (fhi1)
: "r" (tlo), "r" (thi),
"r" (tlo1), "r" (thi1));
assert(flo == 12207031);
assert(fhi == 305175781);
assert(flo1 == 32452867);
assert(fhi1 == 49979687);
return 0;
}