diff options
Diffstat (limited to 'target/hexagon/op_helper.c')
| -rw-r--r-- | target/hexagon/op_helper.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/target/hexagon/op_helper.c b/target/hexagon/op_helper.c index a25fb98f24..f9fb65555b 100644 --- a/target/hexagon/op_helper.c +++ b/target/hexagon/op_helper.c @@ -347,6 +347,39 @@ uint64_t HELPER(sfinvsqrta)(CPUHexagonState *env, float32 RsV) return ((uint64_t)RdV << 32) | PeV; } +int64_t HELPER(vacsh_val)(CPUHexagonState *env, + int64_t RxxV, int64_t RssV, int64_t RttV) +{ + for (int i = 0; i < 4; i++) { + int xv = sextract64(RxxV, i * 16, 16); + int sv = sextract64(RssV, i * 16, 16); + int tv = sextract64(RttV, i * 16, 16); + int max; + xv = xv + tv; + sv = sv - tv; + max = xv > sv ? xv : sv; + /* Note that fSATH can set the OVF bit in usr */ + RxxV = deposit64(RxxV, i * 16, 16, fSATH(max)); + } + return RxxV; +} + +int32_t HELPER(vacsh_pred)(CPUHexagonState *env, + int64_t RxxV, int64_t RssV, int64_t RttV) +{ + int32_t PeV = 0; + for (int i = 0; i < 4; i++) { + int xv = sextract64(RxxV, i * 16, 16); + int sv = sextract64(RssV, i * 16, 16); + int tv = sextract64(RttV, i * 16, 16); + xv = xv + tv; + sv = sv - tv; + PeV = deposit32(PeV, i * 2, 1, (xv > sv)); + PeV = deposit32(PeV, i * 2 + 1, 1, (xv > sv)); + } + return PeV; +} + /* * mem_noshuf * Section 5.5 of the Hexagon V67 Programmer's Reference Manual |