diff options
Diffstat (limited to 'target/hexagon/arch.c')
| -rw-r--r-- | target/hexagon/arch.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/target/hexagon/arch.c b/target/hexagon/arch.c index 40b6e3d..46edf45 100644 --- a/target/hexagon/arch.c +++ b/target/hexagon/arch.c @@ -181,12 +181,13 @@ int arch_sf_recip_common(float32 *Rs, float32 *Rt, float32 *Rd, int *adjust, /* or put Inf in num fixup? */ uint8_t RsV_sign = float32_is_neg(RsV); uint8_t RtV_sign = float32_is_neg(RtV); + /* Check that RsV is NOT infinite before we overwrite it */ + if (!float32_is_infinity(RsV)) { + float_raise(float_flag_divbyzero, fp_status); + } RsV = infinite_float32(RsV_sign ^ RtV_sign); RtV = float32_one; RdV = float32_one; - if (float32_is_infinity(RsV)) { - float_raise(float_flag_divbyzero, fp_status); - } } else if (float32_is_infinity(RtV)) { RsV = make_float32(0x80000000 & (RsV ^ RtV)); RtV = float32_one; @@ -279,3 +280,22 @@ int arch_sf_invsqrt_common(float32 *Rs, float32 *Rd, int *adjust, *adjust = PeV; return ret; } + +const uint8_t recip_lookup_table[128] = { + 0x0fe, 0x0fa, 0x0f6, 0x0f2, 0x0ef, 0x0eb, 0x0e7, 0x0e4, + 0x0e0, 0x0dd, 0x0d9, 0x0d6, 0x0d2, 0x0cf, 0x0cc, 0x0c9, + 0x0c6, 0x0c2, 0x0bf, 0x0bc, 0x0b9, 0x0b6, 0x0b3, 0x0b1, + 0x0ae, 0x0ab, 0x0a8, 0x0a5, 0x0a3, 0x0a0, 0x09d, 0x09b, + 0x098, 0x096, 0x093, 0x091, 0x08e, 0x08c, 0x08a, 0x087, + 0x085, 0x083, 0x080, 0x07e, 0x07c, 0x07a, 0x078, 0x075, + 0x073, 0x071, 0x06f, 0x06d, 0x06b, 0x069, 0x067, 0x065, + 0x063, 0x061, 0x05f, 0x05e, 0x05c, 0x05a, 0x058, 0x056, + 0x054, 0x053, 0x051, 0x04f, 0x04e, 0x04c, 0x04a, 0x049, + 0x047, 0x045, 0x044, 0x042, 0x040, 0x03f, 0x03d, 0x03c, + 0x03a, 0x039, 0x037, 0x036, 0x034, 0x033, 0x032, 0x030, + 0x02f, 0x02d, 0x02c, 0x02b, 0x029, 0x028, 0x027, 0x025, + 0x024, 0x023, 0x021, 0x020, 0x01f, 0x01e, 0x01c, 0x01b, + 0x01a, 0x019, 0x017, 0x016, 0x015, 0x014, 0x013, 0x012, + 0x011, 0x00f, 0x00e, 0x00d, 0x00c, 0x00b, 0x00a, 0x009, + 0x008, 0x007, 0x006, 0x005, 0x004, 0x003, 0x002, 0x000, +}; |