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| author | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2019-03-27 09:13:40 +0100 |
|---|---|---|
| committer | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2019-03-27 09:13:40 +0100 |
| commit | 3c47d54d4cf89f4e29854ac5ef51d8b4c1ca086b (patch) | |
| tree | 890b2bf86c701fed0071a5668898a7d02069dcdd /test/monniaux/bitsliced-aes | |
| parent | 820c0fef3aa0715c15988800564612dcc86f81b4 (diff) | |
| download | compcert-kvx-3c47d54d4cf89f4e29854ac5ef51d8b4c1ca086b.tar.gz compcert-kvx-3c47d54d4cf89f4e29854ac5ef51d8b4c1ca086b.zip | |
work on ternary
Diffstat (limited to 'test/monniaux/bitsliced-aes')
| -rw-r--r-- | test/monniaux/bitsliced-aes/bs.c | 14 | ||||
| -rw-r--r-- | test/monniaux/bitsliced-aes/notes.org (renamed from test/monniaux/bitsliced-aes/notes.txt) | 15 |
2 files changed, 21 insertions, 8 deletions
diff --git a/test/monniaux/bitsliced-aes/bs.c b/test/monniaux/bitsliced-aes/bs.c index 5fd7450a..6c68e496 100644 --- a/test/monniaux/bitsliced-aes/bs.c +++ b/test/monniaux/bitsliced-aes/bs.c @@ -409,10 +409,14 @@ void bs_transpose_dst(word_t * transpose, word_t * blocks) #ifndef UNROLL_TRANSPOSE int j; + /* DM use autoincrement */ + word_t *transptr = transpose+offset; + word_t bitmask = ONE; for(j=0; j < WORD_SIZE; j++) { // TODO make const time - transpose[offset + j] |= TERNARY0((w & (ONE << j)), bitpos); + *(transptr++) |= TERNARY0((w & bitmask), bitpos); + bitmask <<= 1; } #else @@ -506,10 +510,14 @@ void bs_transpose_rev(word_t * blocks) word_t offset = k / WORD_SIZE; #ifndef UNROLL_TRANSPOSE int j; + word_t *transptr = transpose + offset; + word_t bitmask = ONE; for(j=0; j < WORD_SIZE; j++) { - word_t bit = (w & (ONE << j)) ? (ONE << (k % WORD_SIZE)) : 0; - transpose[j * WORDS_PER_BLOCK + (offset)] |= bit; + word_t bit = TERNARY0(w & bitmask, bitpos); + *transptr |= bit; + transptr += WORDS_PER_BLOCK; + bitmask <<= 1; } #else transpose[0 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 0 )) ? bitpos : 0; diff --git a/test/monniaux/bitsliced-aes/notes.txt b/test/monniaux/bitsliced-aes/notes.org index 7ad2ff3c..6c2e27fa 100644 --- a/test/monniaux/bitsliced-aes/notes.txt +++ b/test/monniaux/bitsliced-aes/notes.org @@ -1,4 +1,5 @@ -* original +* bs_transpose_dst only +** original ==> test.ccomp.host.out <== cycles: 3080223 @@ -11,7 +12,7 @@ cycles: 1485887 ==> test.gcc.k1c.out <== cycles: 4078535 -* neg and +** neg and ==> test.ccomp.host.out <== cycles: 2905049 @@ -24,7 +25,7 @@ cycles: 1858263 ==> test.gcc.k1c.out <== cycles: 5255763 -* cmove mais mauvais scheduling de registres +** cmove mais mauvais scheduling de registres ==> test.ccomp.host.out <== cycles: 4363682 @@ -37,7 +38,7 @@ cycles: 2916854 ==> test.gcc.k1c.out <== cycles: 5646730 -* cmove via match du and +** cmove via match du and ==> test.ccomp.host.out <== cycles: 2553732 @@ -50,5 +51,9 @@ cycles: 1849125 ==> test.gcc.k1c.out <== cycles: 5255763 -* hand optimized loads +** hand optimized loads cycles: 6027072 + +* both bs_transpose_dst and bs_transpose_rev +** with both cmove +6890902 |