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| author | Bill Traynor <wmat@riscv.org> | 2022-10-27 16:08:02 -0400 |
|---|---|---|
| committer | Bill Traynor <wmat@riscv.org> | 2022-10-27 16:08:02 -0400 |
| commit | 77122f15b976e9e2774a5d74dc4786917e4fe13e (patch) | |
| tree | 36e9b9feedb3492f5defbcec57863b71b13fd13c /src | |
| parent | c6d7d3bb945d458eda0c489009dce7958b031bfc (diff) | |
| download | riscv-isa-manual-77122f15b976e9e2774a5d74dc4786917e4fe13e.zip riscv-isa-manual-77122f15b976e9e2774a5d74dc4786917e4fe13e.tar.gz riscv-isa-manual-77122f15b976e9e2774a5d74dc4786917e4fe13e.tar.bz2 | |
Added half precision floating point to floating point conv wavedrom.
Added new precision floating point to floating point conversion
wavedrom file. Fixed a small typo in another wavedrom and cleaned
up post conversion garbage characters.
Diffstat (limited to 'src')
| -rw-r--r-- | src/images/wavedrom/half-prec-flpt-to-flpt-conv.adoc | 16 | ||||
| -rw-r--r-- | src/zfh.adoc | 12 |
2 files changed, 18 insertions, 10 deletions
diff --git a/src/images/wavedrom/half-prec-flpt-to-flpt-conv.adoc b/src/images/wavedrom/half-prec-flpt-to-flpt-conv.adoc new file mode 100644 index 0000000..77aad59 --- /dev/null +++ b/src/images/wavedrom/half-prec-flpt-to-flpt-conv.adoc @@ -0,0 +1,16 @@ +//## 16.3 Half-Precision Floating Point to Floating Point Conversion Instructions + + + +[wavedrom, ,] +.... +{reg: [ + {bits: 7, name: 'opcode', attr: ['OP-FP','OP-FP','OP-FP','OP-FP','OP-FP','OP-FP'], type: 8}, + {bits: 5, name: 'rd', attr: ['dest','dest','dest','dest','dest','dest'], type: 2}, + {bits: 3, name: 'rm', attr: ['RM','RM','RM','RM','RM','RM'], type: 8}, + {bits: 5, name: 'rs1', attr: ['src','src','src','src','src','SRC'], type: 4}, + {bits: 5, name: 'rs2', attr: ['H','S','H','D','H','Q'], type: 3}, + {bits: 2, name: 'fmt', attr: ['S','H','D','H','Q','H'], type: 2}, + {bits: 5, name: 'funct5', attr: ['FCVT.S.H','FCVT.H.S','FCVT.D.H','FCVT.H.D','FCVT.Q.H','FCVT.H.Q'], type: 8}, +]} +....
\ No newline at end of file diff --git a/src/zfh.adoc b/src/zfh.adoc index 2ee18d1..bf5284d 100644 --- a/src/zfh.adoc +++ b/src/zfh.adoc @@ -87,16 +87,8 @@ is present, FCVT.Q.H or FCVT.H.Q converts a half-precision floating-point number to a quad-precision floating-point number, or vice-versa, respectively. -R@F@R@R@F@R@O + -& & & & & & + -& & & & & & + -& 2 & 5 & 5 & 3 & 5 & 7 + -FCVT.S.H & S & H & src & RM & dest & OP-FP + -FCVT.H.S & H & S & src & RM & dest & OP-FP + -FCVT.D.H & D & H & src & RM & dest & OP-FP + -FCVT.H.D & H & D & src & RM & dest & OP-FP + -FCVT.Q.H & Q & H & src & RM & dest & OP-FP + -FCVT.H.Q & H & Q & src & RM & dest & OP-FP + +include::images/wavedrom/half-prec-flpt-to-flpt-conv.adoc[] +[half-prec-flpt-to-flpt-conv] Floating-point to floating-point sign-injection instructions, FSGNJ.H, FSGNJN.H, and FSGNJX.H are defined analogously to the single-precision |