diff options
| author | David Hildenbrand <david@redhat.com> | 2019-02-25 21:03:15 +0100 |
|---|---|---|
| committer | Cornelia Huck <cohuck@redhat.com> | 2019-03-04 11:49:31 +0100 |
| commit | 27197fec128d5ee97ec060f99b95df2c48668783 (patch) | |
| tree | b9d5ac50d8f30b561adf42991626ceb37651412f /target | |
| parent | ffdd8ebb79a6533913a1fbcf0aa12ef107842202 (diff) | |
s390x/tcg: Factor out vec_full_reg_offset()
We'll use that a lot along with gvec helpers, to calculate the start
address of a vector.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20190225200318.16102-5-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Diffstat (limited to 'target')
| -rw-r--r-- | target/s390x/translate.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/target/s390x/translate.c b/target/s390x/translate.c index 6647a67998..933bf29331 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -145,13 +145,18 @@ void s390x_translate_init(void) } } +static inline int vec_full_reg_offset(uint8_t reg) +{ + g_assert(reg < 32); + return offsetof(CPUS390XState, vregs[reg][0].d); +} + static inline int vec_reg_offset(uint8_t reg, uint8_t enr, TCGMemOp es) { /* Convert element size (es) - e.g. MO_8 - to bytes */ const uint8_t bytes = 1 << es; int offs = enr * bytes; - g_assert(reg < 32); /* * vregs[n][0] is the lowest 8 byte and vregs[n][1] the highest 8 byte * of the 16 byte vector, on both, little and big endian systems. @@ -178,7 +183,7 @@ static inline int vec_reg_offset(uint8_t reg, uint8_t enr, TCGMemOp es) #ifndef HOST_WORDS_BIGENDIAN offs ^= (8 - bytes); #endif - return offs + offsetof(CPUS390XState, vregs[reg][0].d); + return offs + vec_full_reg_offset(reg); } static inline int freg64_offset(uint8_t reg) |