On 26/5/24 21:42, Richard Henderson wrote:
VIS4 completes the set, adding missing signed 8-bit ops
and missing unsigned 16 and 32-bit ops.
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
target/sparc/helper.h | 12 +--
target/sparc/insns.decode | 6 ++
target/sparc/translate.c | 12 +++
target/sparc/vis_helper.c | 170 +++++++++++++++++++++++++++++---------
4 files changed, 153 insertions(+), 47 deletions(-)
+uint64_t helper_fcmpeq16(uint64_t src1, uint64_t src2)
+{
+ uint64_t a = src1 ^ src2;
+ uint64_t m = 0x7fff7fff7fff7fffULL;
+ uint64_t c = ~(((a & m) + m) | a | m);
+
+ /* a...............b...............c...............d............... */
+ c |= c << 15;
+ /* ab..............bc..............cd..............d............... */
+ c |= c << 30;
+ /* abcd............bcd.............cd..............d............... */
+ return c >> 60;
Too optimized (or early) to process this :|
+}
Reviewed-by: Philippe Mathieu-Daudé <phi...@linaro.org>
