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author | Andrew Waterman <andrew@sifive.com> | 2022-09-16 19:51:50 -0700 |
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committer | Andrew Waterman <andrew@sifive.com> | 2022-09-16 19:51:50 -0700 |
commit | f2660a9eba1fe8e6ed0bf289d6d4590fb51d2e43 (patch) | |
tree | 1ba1e57fbf00d3768df1f03ec493ae21008dd77a | |
parent | c79373952d7a6e1204a4a4a4fdb98d0054e31c8b (diff) | |
download | riscv-isa-manual-f2660a9eba1fe8e6ed0bf289d6d4590fb51d2e43.zip riscv-isa-manual-f2660a9eba1fe8e6ed0bf289d6d4590fb51d2e43.tar.gz riscv-isa-manual-f2660a9eba1fe8e6ed0bf289d6d4590fb51d2e43.tar.bz2 |
FROUND.NX -> FROUNDNX
The dots separate operands; we prefer not to use them to delineate
words within the operator.
-rw-r--r-- | src/zfa.tex | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/zfa.tex b/src/zfa.tex index c905172..8f2803e 100644 --- a/src/zfa.tex +++ b/src/zfa.tex @@ -149,24 +149,24 @@ Signaling NaN inputs cause the invalid operation exception flag to be set; no other exception flags are set. FROUND.S is encoded like FCVT.S.D, but with {\em rs2}=4. -The FROUND.NX.S instruction is defined similarly, but it also sets the inexact +The FROUNDNX.S instruction is defined similarly, but it also sets the inexact exception flag if the input differs from the rounded result and is not NaN. -FROUND.NX.S is encoded like FCVT.S.D, but with {\em rs2}=5. +FROUNDNX.S is encoded like FCVT.S.D, but with {\em rs2}=5. -If the D extension is implemented, FROUND.D and FROUND.NX.D instructions are +If the D extension is implemented, FROUND.D and FROUNDNX.D instructions are analogously defined to operate on double-precision numbers. They are encoded like FCVT.D.S, but with {\em rs2}=4 and 5, respectively, -If the Zfh extension is implemented, FROUND.H and FROUND.NX.H instructions are +If the Zfh extension is implemented, FROUND.H and FROUNDNX.H instructions are analogously defined to operate on half-precision numbers. They are encoded like FCVT.H.S, but with {\em rs2}=4 and 5, respectively, -If the Q extension is implemented, FROUND.Q and FROUND.NX.Q instructions are +If the Q extension is implemented, FROUND.Q and FROUNDNX.Q instructions are analogously defined to operate on quad-precision numbers. They are encoded like FCVT.Q.S, but with {\em rs2}=4 and 5, respectively, \begin{commentary} -The FROUND.NX.{\em fmt} instructions implement the IEEE 754-2019 +The FROUNDNX.{\em fmt} instructions implement the IEEE 754-2019 roundToIntegralExact operation, and the FROUND.{\em fmt} instructions implement the other operations in the roundToIntegral family. \end{commentary} |