Skip to content

Commit c56d638

Browse files
robinali-codasiprobinali-codasip
authored
Add Zfhmin extension (#395)
* Add Zfhmin extension * Zfhmin is a subset of zfh so this moves some instructions from rv_zfh to the new rv_zfhmin file * rv_d_zfh -> rv_d_zfhmin as it only contains zfhmin instructions * Add q_zfhmin
1 parent 72b2926 commit c56d638

4 files changed

Lines changed: 8 additions & 6 deletions

File tree

extensions/rv_d_zfh renamed to extensions/rv_d_zfhmin

File renamed without changes.

extensions/rv_q_zfh renamed to extensions/rv_q_zfhmin

File renamed without changes.

‎extensions/rv_zfh‎

Lines changed: 0 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,3 @@
1-
flh rd rs1 imm12 14..12=1 6..2=0x01 1..0=3
2-
fsh imm12hi rs1 rs2 imm12lo 14..12=1 6..2=0x09 1..0=3
31
fmadd.h rd rs1 rs2 rs3 rm 26..25=2 6..2=0x10 1..0=3
42
fmsub.h rd rs1 rs2 rs3 rm 26..25=2 6..2=0x11 1..0=3
53
fnmsub.h rd rs1 rs2 rs3 rm 26..25=2 6..2=0x12 1..0=3
@@ -14,19 +12,15 @@ fsgnjn.h rd rs1 rs2 31..27=0x04 14..12=1 26..25=2 6..2=0x14 1..0=3
1412
fsgnjx.h rd rs1 rs2 31..27=0x04 14..12=2 26..25=2 6..2=0x14 1..0=3
1513
fmin.h rd rs1 rs2 31..27=0x05 14..12=0 26..25=2 6..2=0x14 1..0=3
1614
fmax.h rd rs1 rs2 31..27=0x05 14..12=1 26..25=2 6..2=0x14 1..0=3
17-
fcvt.s.h rd rs1 24..20=2 31..27=0x08 rm 26..25=0 6..2=0x14 1..0=3
18-
fcvt.h.s rd rs1 24..20=0 31..27=0x08 rm 26..25=2 6..2=0x14 1..0=3
1915

2016
feq.h rd rs1 rs2 31..27=0x14 14..12=2 26..25=2 6..2=0x14 1..0=3
2117
flt.h rd rs1 rs2 31..27=0x14 14..12=1 26..25=2 6..2=0x14 1..0=3
2218
fle.h rd rs1 rs2 31..27=0x14 14..12=0 26..25=2 6..2=0x14 1..0=3
2319
fclass.h rd rs1 24..20=0 31..27=0x1C 14..12=1 26..25=2 6..2=0x14 1..0=3
2420
fcvt.w.h rd rs1 24..20=0 31..27=0x18 rm 26..25=2 6..2=0x14 1..0=3
2521
fcvt.wu.h rd rs1 24..20=1 31..27=0x18 rm 26..25=2 6..2=0x14 1..0=3
26-
fmv.x.h rd rs1 24..20=0 31..27=0x1C 14..12=0 26..25=2 6..2=0x14 1..0=3
2722
fcvt.h.w rd rs1 24..20=0 31..27=0x1A rm 26..25=2 6..2=0x14 1..0=3
2823
fcvt.h.wu rd rs1 24..20=1 31..27=0x1A rm 26..25=2 6..2=0x14 1..0=3
29-
fmv.h.x rd rs1 24..20=0 31..27=0x1E 14..12=0 26..25=2 6..2=0x14 1..0=3
3024

3125
#pseudoinstructions
3226
$pseudo_op rv_zfh::fsgnj.h fmv.h rd rs1 rs2=rs1 31..27=0x04 14..12=0 26..25=2 6..2=0x14 1..0=3

‎extensions/rv_zfhmin‎

Lines changed: 8 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,8 @@
1+
flh rd rs1 imm12 14..12=1 6..2=0x01 1..0=3
2+
fsh imm12hi rs1 rs2 imm12lo 14..12=1 6..2=0x09 1..0=3
3+
4+
fcvt.s.h rd rs1 24..20=2 31..27=0x08 rm 26..25=0 6..2=0x14 1..0=3
5+
fcvt.h.s rd rs1 24..20=0 31..27=0x08 rm 26..25=2 6..2=0x14 1..0=3
6+
7+
fmv.x.h rd rs1 24..20=0 31..27=0x1C 14..12=0 26..25=2 6..2=0x14 1..0=3
8+
fmv.h.x rd rs1 24..20=0 31..27=0x1E 14..12=0 26..25=2 6..2=0x14 1..0=3

0 commit comments

Comments
 (0)