diff options
Diffstat (limited to 'target/mips/msa.c')
| -rw-r--r-- | target/mips/msa.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/target/mips/msa.c b/target/mips/msa.c index fc77bfc7b9..32c6acbcc5 100644 --- a/target/mips/msa.c +++ b/target/mips/msa.c @@ -48,6 +48,15 @@ void msa_reset(CPUMIPSState *env) /* tininess detected after rounding.*/ set_float_detect_tininess(float_tininess_after_rounding, &env->active_tc.msa_fp_status); + /* + * MSACSR.FS detects tiny results to flush to zero before rounding + * (per "MIPS Architecture for Programmers Volume IV-j: The MIPS64 SIMD + * Architecture Module, Revision 1.1" section 3.5.4), even though it + * detects tininess after rounding for underflow purposes (section 3.4.2 + * table 3.3). + */ + set_float_ftz_detection(float_ftz_before_rounding, + &env->active_tc.msa_fp_status); /* * According to MIPS specifications, if one of the two operands is |