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simpler

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This commit is contained in:
Ryan Oldenburg 2022-06-22 11:10:54 -05:00
parent b2e145130a
commit f93da30d08
1 changed files with 2 additions and 2 deletions
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4
src/pixie/paths.nim
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@ -1313,7 +1313,7 @@ proc computeCoverage(
if fillLen > 0: if fillLen > 0:
var i = fillStart var i = fillStart
when defined(amd64) and allowSimd: when defined(amd64) and allowSimd:
let sampleCoverageVec = mm_set1_epi8(cast[int8](sampleCoverage)) let sampleCoverageVec = mm_set1_epi8(sampleCoverage)
for _ in 0 ..< fillLen div 16: for _ in 0 ..< fillLen div 16:
var coverageVec = mm_loadu_si128(coverages[i - startX].addr) var coverageVec = mm_loadu_si128(coverages[i - startX].addr)
coverageVec = mm_add_epi8(coverageVec, sampleCoverageVec) coverageVec = mm_add_epi8(coverageVec, sampleCoverageVec)
@ -1354,7 +1354,7 @@ proc fillCoverage(
let let
coverageVec = mm_loadu_si128(coverages[x - startX].unsafeAddr) coverageVec = mm_loadu_si128(coverages[x - startX].unsafeAddr)
eqZero = mm_cmpeq_epi8(coverageVec, mm_setzero_si128()) eqZero = mm_cmpeq_epi8(coverageVec, mm_setzero_si128())
eq255 = mm_cmpeq_epi8(coverageVec, mm_set1_epi8(cast[int8](255))) eq255 = mm_cmpeq_epi8(coverageVec, mm_set1_epi8(255))
allZeroes = mm_movemask_epi8(eqZero) == 0xffff allZeroes = mm_movemask_epi8(eqZero) == 0xffff
all255 = mm_movemask_epi8(eq255) == 0xffff all255 = mm_movemask_epi8(eq255) == 0xffff
yield (coverageVec, allZeroes, all255) yield (coverageVec, allZeroes, all255)