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| author | Andrew Waterman <andrew@sifive.com> | 2022-09-16 19:54:26 -0700 |
|---|---|---|
| committer | Andrew Waterman <andrew@sifive.com> | 2022-09-16 19:54:26 -0700 |
| commit | 1ff8f5e3db057687425d9804fadba59ce722106a (patch) | |
| tree | 917e7931c0a88189b3f989f2eb85edbce467c189 /src/zfa.tex | |
| parent | f2660a9eba1fe8e6ed0bf289d6d4590fb51d2e43 (diff) | |
| download | riscv-isa-manual-1ff8f5e3db057687425d9804fadba59ce722106a.zip riscv-isa-manual-1ff8f5e3db057687425d9804fadba59ce722106a.tar.gz riscv-isa-manual-1ff8f5e3db057687425d9804fadba59ce722106a.tar.bz2 | |
Tighten description of FCVTMOD exception behavior
Diffstat (limited to 'src/zfa.tex')
| -rw-r--r-- | src/zfa.tex | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/zfa.tex b/src/zfa.tex index 8f2803e..41ae40c 100644 --- a/src/zfa.tex +++ b/src/zfa.tex @@ -181,7 +181,8 @@ Bits 31:0 are taken from the rounded, unbounded two's complement result, then sign-extended to XLEN bits and written to integer register {\em rd}. $\pm\infty$ and NaN are converted to zero. -Floating-point exception flags are raised in the same manner as for FCVT.W.D. +Floating-point exception flags are raised the same as they would be for +FCVT.W.D with the same input operand. This instruction is only provided if the D extension is implemented. It is encoded like FCVT.W.D, but with the {\rm rs2} field set to 8 |