diff options
Diffstat (limited to 'tests/tcg/mips/mips32-dsp/subq_s_w.c')
| -rw-r--r-- | tests/tcg/mips/mips32-dsp/subq_s_w.c | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/tests/tcg/mips/mips32-dsp/subq_s_w.c b/tests/tcg/mips/mips32-dsp/subq_s_w.c index 09022e9c85..9d456a90f4 100644 --- a/tests/tcg/mips/mips32-dsp/subq_s_w.c +++ b/tests/tcg/mips/mips32-dsp/subq_s_w.c @@ -12,7 +12,8 @@ int main() resultdsp = 0x01; __asm - ("subq_s.w %0, %2, %3\n\t" + ("wrdsp $0\n\t" + "subq_s.w %0, %2, %3\n\t" "rddsp %1\n\t" : "=r"(rd), "=r"(dsp) : "r"(rs), "r"(rt) @@ -24,10 +25,11 @@ int main() rs = 0x66666; rt = 0x55555; result = 0x11111; - resultdsp = 0x01; + resultdsp = 0x0; __asm - ("subq_s.w %0, %2, %3\n\t" + ("wrdsp $0\n\t" + "subq_s.w %0, %2, %3\n\t" "rddsp %1\n\t" : "=r"(rd), "=r"(dsp) : "r"(rs), "r"(rt) @@ -36,23 +38,37 @@ int main() assert(dsp == resultdsp); assert(rd == result); - -#if 0 - rs = 0x35555555; - rt = 0xf5555555; - result = 0x80000000; + rs = 0x0; + rt = 0x80000000; + result = 0x7FFFFFFF; resultdsp = 0x01; __asm - ("subq_s.w %0, %2, %3\n\t" + ("wrdsp $0\n\t" + "subq_s.w %0, %2, %3\n\t" "rddsp %1\n\t" : "=r"(rd), "=r"(dsp) : "r"(rs), "r"(rt) ); + dsp = (dsp >> 20) & 0x01; + assert(dsp == resultdsp); + assert(rd == result); + + rs = 0x80000000; + rt = 0x80000000; + result = 0; + resultdsp = 0x00; + __asm + ("wrdsp $0\n\t" + "subq_s.w %0, %2, %3\n\t" + "rddsp %1\n\t" + : "=r"(rd), "=r"(dsp) + : "r"(rs), "r"(rt) + ); dsp = (dsp >> 20) & 0x01; assert(dsp == resultdsp); assert(rd == result); -#endif + return 0; } |