diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2019-05-06 14:49:25 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2019-09-04 12:53:33 -0700 |
| commit | 62f2b0389ff6fc7856b801bb5bee1c2d364d3e6c (patch) | |
| tree | 67be040ef1a5bab9ee48aabfcaffdb15432d4409 /target/openrisc/insns.decode | |
| parent | fe636d3722bf266c7b1bd3ca12fa53fb78ceffa0 (diff) | |
target/openrisc: Add support for ORFPX64A32
This is hardware support for double-precision floating-point using
pairs of 32-bit registers. Fix latent bugs in the heretofore unused
helper_itofd and helper_ftoid. Include the bit for cpu "any".
Change the default cpu for linux-user to "any".
Reviewed-by: Stafford Horne <shorne@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/openrisc/insns.decode')
| -rw-r--r-- | target/openrisc/insns.decode | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/target/openrisc/insns.decode b/target/openrisc/insns.decode index 7df81c1f22..334d4e9668 100644 --- a/target/openrisc/insns.decode +++ b/target/openrisc/insns.decode @@ -22,6 +22,9 @@ &ab a b &dal d a l &ai a i +&dab_pair d a b dp ap bp +&ab_pair a b ap bp +&da_pair d a dp ap #### # System Instructions @@ -187,3 +190,31 @@ lf_sfgt_s 110010 ----- a:5 b:5 --- 00001010 lf_sfge_s 110010 ----- a:5 b:5 --- 00001011 lf_sflt_s 110010 ----- a:5 b:5 --- 00001100 lf_sfle_s 110010 ----- a:5 b:5 --- 00001101 + +#### +# DP Instructions +#### + +@dab_pair ...... d:5 a:5 b:5 dp:1 ap:1 bp:1 ........ &dab_pair +@ab_pair ...... ..... a:5 b:5 . ap:1 bp:1 ........ &ab_pair +@da_pair ...... d:5 a:5 ..... dp:1 ap:1 . ........ &da_pair + +lf_add_d 110010 ..... ..... ..... ... 00010000 @dab_pair +lf_sub_d 110010 ..... ..... ..... ... 00010001 @dab_pair +lf_mul_d 110010 ..... ..... ..... ... 00010010 @dab_pair +lf_div_d 110010 ..... ..... ..... ... 00010011 @dab_pair +lf_rem_d 110010 ..... ..... ..... ... 00010110 @dab_pair +lf_madd_d 110010 ..... ..... ..... ... 00010111 @dab_pair + +lf_itof_d 110010 ..... ..... 00000 ..0 00010100 @da_pair +lf_ftoi_d 110010 ..... ..... 00000 ..0 00010101 @da_pair + +lf_stod_d 110010 d:5 a:5 00000 dp:1 0 0 00110100 +lf_dtos_d 110010 d:5 a:5 00000 0 ap:1 0 00110101 + +lf_sfeq_d 110010 00000 ..... ..... 0.. 00011000 @ab_pair +lf_sfne_d 110010 00000 ..... ..... 0.. 00011001 @ab_pair +lf_sfgt_d 110010 00000 ..... ..... 0.. 00011010 @ab_pair +lf_sfge_d 110010 00000 ..... ..... 0.. 00011011 @ab_pair +lf_sflt_d 110010 00000 ..... ..... 0.. 00011100 @ab_pair +lf_sfle_d 110010 00000 ..... ..... 0.. 00011101 @ab_pair |