diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2024-03-02 15:10:00 -1000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2024-03-19 13:33:39 -1000 |
| commit | 72bace2d13cb427fde3bb50ae1a71a2abe9acc0f (patch) | |
| tree | 017cd7149f3250088b77950217eef76edc00ecf3 /target/hppa/translate.c | |
| parent | c62d54d0a8067ffb3d5b909276f7296d7df33fa7 (diff) | |
target/hppa: Fix assemble_16 insns for wide mode
Reported-by: Sven Schnelle <svens@stackframe.org>
Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/hppa/translate.c')
| -rw-r--r-- | target/hppa/translate.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/target/hppa/translate.c b/target/hppa/translate.c index eb2046c5ad..cbe44ef75a 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -144,6 +144,28 @@ static int assemble_6(DisasContext *ctx, int val) return (val ^ 31) + 1; } +/* Expander for assemble_16(s,im14). */ +static int expand_16(DisasContext *ctx, int val) +{ + /* + * @val is bits [0:15], containing both im14 and s. + * Swizzle thing around depending on PSW.W. + */ + int s = extract32(val, 14, 2); + int i = (-(val & 1) << 13) | extract32(val, 1, 13); + + if (ctx->tb_flags & PSW_W) { + i ^= s << 13; + } + return i; +} + +/* The sp field is only present with !PSW_W. */ +static int sp0_if_wide(DisasContext *ctx, int sp) +{ + return ctx->tb_flags & PSW_W ? 0 : sp; +} + /* Translate CMPI doubleword conditions to standard. */ static int cmpbid_c(DisasContext *ctx, int val) { |