From: Mikael Szreder <g...@miszr.win>
A bug was introduced in commit 0bba7572d40d which causes the fdtox
and fqtox instructions to incorrectly select the destination registers.
More information and a test program can be found in issue #2802.
Cc: qemu-sta...@nongnu.org
Fixes: 0bba7572d40d ("target/sparc: Perform DFPREG/QFPREG in decodetree")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2802
Signed-off-by: Mikael Szreder <g...@miszr.win>
Acked-by: Artyom Tarasenko <atar4q...@gmail.com>
[rth: Squash patches together, since the second fixes a typo in the first.]
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
Message-ID: <20250205090333.19626-3-...@miszr.win>
---
target/sparc/insns.decode | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode
index 989c20b44a..cfcdf6690e 100644
--- a/target/sparc/insns.decode
+++ b/target/sparc/insns.decode
@@ -321,12 +321,12 @@ FdMULq 10 ..... 110100 ..... 0 0110 1110 .....
@q_d_d
FNHADDs 10 ..... 110100 ..... 0 0111 0001 ..... @r_r_r
FNHADDd 10 ..... 110100 ..... 0 0111 0010 ..... @d_d_d
FNsMULd 10 ..... 110100 ..... 0 0111 1001 ..... @d_r_r
-FsTOx 10 ..... 110100 00000 0 1000 0001 ..... @r_r2
-FdTOx 10 ..... 110100 00000 0 1000 0010 ..... @r_d2
-FqTOx 10 ..... 110100 00000 0 1000 0011 ..... @r_q2
-FxTOs 10 ..... 110100 00000 0 1000 0100 ..... @r_r2
-FxTOd 10 ..... 110100 00000 0 1000 1000 ..... @d_r2
-FxTOq 10 ..... 110100 00000 0 1000 1100 ..... @q_r2
+FsTOx 10 ..... 110100 00000 0 1000 0001 ..... @d_r2
+FdTOx 10 ..... 110100 00000 0 1000 0010 ..... @d_d2
+FqTOx 10 ..... 110100 00000 0 1000 0011 ..... @d_q2
+FxTOs 10 ..... 110100 00000 0 1000 0100 ..... @r_d2
+FxTOd 10 ..... 110100 00000 0 1000 1000 ..... @d_d2
+FxTOq 10 ..... 110100 00000 0 1000 1100 ..... @q_d2
FiTOs 10 ..... 110100 00000 0 1100 0100 ..... @r_r2
FdTOs 10 ..... 110100 00000 0 1100 0110 ..... @r_d2
FqTOs 10 ..... 110100 00000 0 1100 0111 ..... @r_q2
--
2.43.0
