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target/arm: Handle FPROUNDING_ODD in arm_rmode_to_sf 

While this enumerator has been present since the first commit,
it isn't ever used.  The first actual use of round-to-odd came
with SVE, which currently uses float_round_to_odd instead of
the arm-specific enumerator.

Amusingly, the comment about unhandled TIEAWAY has been
out of date since the initial commit of translate-a64.c.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-02-25 10:28:05 -10:00
parent 0b29090a68
commit ab9ced73fa
1 changed files with 2 additions and 4 deletions
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6
target/arm/vfp_helper.c
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@ -1111,10 +1111,8 @@ int arm_rmode_to_sf(int rmode)
rmode = float_round_ties_away; rmode = float_round_ties_away;
break; break;
case FPROUNDING_ODD: case FPROUNDING_ODD:
/* FIXME: add support for TIEAWAY and ODD */ rmode = float_round_to_odd;
qemu_log_mask(LOG_UNIMP, "arm: unimplemented rounding mode: %d\n", break;
rmode);
/* fall through for now */
case FPROUNDING_TIEEVEN: case FPROUNDING_TIEEVEN:
default: default:
rmode = float_round_nearest_even; rmode = float_round_nearest_even;