Add OpenMP overload with stepping (#10891)

This commit is contained in:
Mamy Ratsimbazafy 2019-03-22 23:38:43 +01:00 • committed by Andreas Rumpf
commit 25649616ea
3 changed files with 35 additions and 5 deletions

View file

@ -622,15 +622,25 @@ proc genParForStmt(p: BProc, t: PNode) =
#initLoc(forLoopVar.loc, locLocalVar, forLoopVar.typ, onStack)
#discard mangleName(forLoopVar)
let call = t.sons[1]
assert(sonsLen(call) in {4, 5})
initLocExpr(p, call.sons[1], rangeA)
initLocExpr(p, call.sons[2], rangeB)
# $n at the beginning because of #9710
lineF(p, cpsStmts, "$n#pragma omp $4$n" &
"for ($1 = $2; $1 <= $3; ++$1)",
[forLoopVar.loc.rdLoc,
rangeA.rdLoc, rangeB.rdLoc,
call.sons[3].getStr.rope])
if call.sonsLen == 4: # `||`(a, b, annotation)
lineF(p, cpsStmts, "$n#pragma omp $4$n" &
"for ($1 = $2; $1 <= $3; ++$1)",
[forLoopVar.loc.rdLoc,
rangeA.rdLoc, rangeB.rdLoc,
call.sons[3].getStr.rope])
else: # `||`(a, b, step, annotation)
var step: TLoc
initLocExpr(p, call.sons[3], step)
lineF(p, cpsStmts, "$n#pragma omp $5$n" &
"for ($1 = $2; $1 <= $3; $1 += $4)",
[forLoopVar.loc.rdLoc,
rangeA.rdLoc, rangeB.rdLoc, step.rdLoc,
call.sons[4].getStr.rope])
p.breakIdx = startBlock(p)
p.blocks[p.breakIdx].isLoop = true