motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-07 01:33:56 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

target/ppc: Moved XVTSTDC[DS]P to decodetree

Browse source 
Moved XVTSTDCSP and XVTSTDCDP to decodetree an restructured the helper
to be simpler and do all decoding in the decodetree (so XB, XT and DCMX
are all calculated outside the helper).

Obs: The tests in this one are slightly different, these are the sum of
these instructions with all possible immediate and those instructions
are repeated 10 times.

xvtstdcsp:
rept    loop    master             patch
8       12500   2,76402100         2,70699100 (-2.1%)
25      4000    2,64867100         2,67884100 (+1.1%)
100     1000    2,73806300         2,78701000 (+1.8%)
500     200     3,44666500         3,61027600 (+4.7%)
2500    40      5,85790200         6,47475500 (+10.5%)
8000    12     15,22102100        17,46062900 (+14.7%)

xvtstdcdp:
rept    loop    master             patch
8       12500   2,11818000         1,61065300 (-24.0%)
25      4000    2,04573400         1,60132200 (-21.7%)
100     1000    2,13834100         1,69988100 (-20.5%)
500     200     2,73977000         2,48631700 (-9.3%)
2500    40      5,05067000         5,25914100 (+4.1%)
8000    12     14,60507800        15,93704900 (+9.1%)

Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20221019125040.48028-11-lucas.araujo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This commit is contained in:
Lucas Mateus Castro (alqotel) 2022-10-19 09:50:38 -03:00 • committed by Daniel Henrique Barboza
parent 95a89d3118
commit a70a524710
5 changed files with 70 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

5
target/ppc/insn32.decode
View file

@ -199,6 +199,9 @@
@XX2_uim4 ...... ..... . uim:4 ..... ......... .. &XX2_uim xt=%xx_xt xb=%xx_xb
%xx_uim7 6:1 2:1 16:5
@XX2_uim7 ...... ..... ..... ..... .... . ... . .. &XX2_uim xt=%xx_xt xb=%xx_xb uim=%xx_uim7
&XX2_bf_xb bf xb
@XX2_bf_xb ...... bf:3 .. ..... ..... ......... . . &XX2_bf_xb xb=%xx_xb
@ -848,6 +851,8 @@ XSCVSPDPN 111100 ..... ----- ..... 101001011 .. @XX2
## VSX Binary Floating-Point Math Support Instructions
XVXSIGSP 111100 ..... 01001 ..... 111011011 .. @XX2
XVTSTDCDP 111100 ..... ..... ..... 1111 . 101 ... @XX2_uim7
XVTSTDCSP 111100 ..... ..... ..... 1101 . 101 ... @XX2_uim7
## VSX Vector Test Least-Significant Bit by Byte Instruction