diff options
| author | Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br> | 2022-10-19 09:50:37 -0300 |
|---|---|---|
| committer | Daniel Henrique Barboza <danielhb413@gmail.com> | 2022-10-28 13:15:22 -0300 |
| commit | 95a89d3118590aaed3a56b52e08246cdb51a108e (patch) | |
| tree | 584a154e493524b0fd26040e1f54588fcb8df1c1 /target/ppc/insn32.decode | |
| parent | a5b36805192ac12f114c45e9c8ccbe4ce9ba1cf9 (diff) | |
target/ppc: Use gvec to decode XVCPSGN[SD]P
Moved XVCPSGNSP and XVCPSGNDP to decodetree and used gvec to translate
them.
xvcpsgnsp:
rept loop master patch
8 12500 0,00561400 0,00537900 (-4.2%)
25 4000 0,00562100 0,00400000 (-28.8%)
100 1000 0,00696900 0,00416300 (-40.3%)
500 200 0,02211900 0,00840700 (-62.0%)
2500 40 0,09328600 0,02728300 (-70.8%)
8000 12 0,27295300 0,06867800 (-74.8%)
xvcpsgndp:
rept loop master patch
8 12500 0,00556300 0,00584200 (+5.0%)
25 4000 0,00482700 0,00431700 (-10.6%)
100 1000 0,00585800 0,00464400 (-20.7%)
500 200 0,01565300 0,00839700 (-46.4%)
2500 40 0,05766500 0,02430600 (-57.8%)
8000 12 0,19875300 0,07947100 (-60.0%)
Like the previous instructions there seemed to be a improvement on
translation time.
Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20221019125040.48028-10-lucas.araujo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Diffstat (limited to 'target/ppc/insn32.decode')
| -rw-r--r-- | target/ppc/insn32.decode | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index 395339ce40..3594c0c960 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -762,6 +762,8 @@ XVNABSDP 111100 ..... 00000 ..... 111101001 .. @XX2 XVNABSSP 111100 ..... 00000 ..... 110101001 .. @XX2 XVNEGDP 111100 ..... 00000 ..... 111111001 .. @XX2 XVNEGSP 111100 ..... 00000 ..... 110111001 .. @XX2 +XVCPSGNDP 111100 ..... ..... ..... 11110000 ... @XX3 +XVCPSGNSP 111100 ..... ..... ..... 11010000 ... @XX3 ## VSX Scalar Multiply-Add Instructions |