diff options
-rw-r--r-- | target/sh4/translate.c | 2 | ||||
-rw-r--r-- | tests/tcg/sh4/Makefile.target | 3 | ||||
-rw-r--r-- | tests/tcg/sh4/test-addv.c | 27 |
3 files changed, 31 insertions, 1 deletions
diff --git a/target/sh4/translate.c b/target/sh4/translate.c index 5aa10d3946..d8dcfc3a20 100644 --- a/target/sh4/translate.c +++ b/target/sh4/translate.c @@ -715,7 +715,7 @@ static void _decode_opc(DisasContext * ctx) tcg_gen_xor_i32(t2, REG(B7_4), REG(B11_8)); tcg_gen_andc_i32(cpu_sr_t, t1, t2); tcg_gen_shri_i32(cpu_sr_t, cpu_sr_t, 31); - tcg_gen_mov_i32(REG(B7_4), t0); + tcg_gen_mov_i32(REG(B11_8), t0); } return; case 0x2009: /* and Rm,Rn */ diff --git a/tests/tcg/sh4/Makefile.target b/tests/tcg/sh4/Makefile.target index c3d7fa86e3..39751c41b2 100644 --- a/tests/tcg/sh4/Makefile.target +++ b/tests/tcg/sh4/Makefile.target @@ -20,3 +20,6 @@ TESTS += test-macl test-macw: CFLAGS += -O -g TESTS += test-macw + +test-addv: CFLAGS += -O -g +TESTS += test-addv diff --git a/tests/tcg/sh4/test-addv.c b/tests/tcg/sh4/test-addv.c new file mode 100644 index 0000000000..ca87fe746a --- /dev/null +++ b/tests/tcg/sh4/test-addv.c @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> + +static void addv(const int a, const int b, const int res, const int carry) +{ + int o = a, c; + + asm volatile("addv %2,%0\n" + "movt %1\n" + : "+r"(o), "=r"(c) : "r"(b) : ); + + if (c != carry || o != res) { + printf("ADDV %d, %d = %d/%d [T = %d/%d]\n", a, b, o, res, c, carry); + abort(); + } +} + +int main(void) +{ + addv(INT_MAX, 1, INT_MIN, 1); + addv(INT_MAX - 1, 1, INT_MAX, 0); + + return 0; +} |