diff options
Diffstat (limited to 'src/jit/lowerxarch.cpp')
| -rw-r--r-- | src/jit/lowerxarch.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/jit/lowerxarch.cpp b/src/jit/lowerxarch.cpp index 585f97b3c6..d41239cc40 100644 --- a/src/jit/lowerxarch.cpp +++ b/src/jit/lowerxarch.cpp @@ -1901,8 +1901,8 @@ Lowering::TreeNodeInfoInitLclHeap(GenTree* tree) // // Size? Init Memory? # temp regs // 0 - 0 - // const and <=6 ptr words - 0 - // const and >6 ptr words Yes 0 + // const and <=6 reg words - 0 + // const and >6 reg words Yes 0 // const and <PageSize No 0 (amd64) 1 (x86) // const and >=PageSize No 2 // Non-const Yes 0 @@ -1925,11 +1925,12 @@ Lowering::TreeNodeInfoInitLclHeap(GenTree* tree) // Note: The Gentree node is not updated here as it is cheap to recompute stack aligned size. // This should also help in debugging as we can examine the original size specified with localloc. sizeVal = AlignUp(sizeVal, STACK_ALIGN); - size_t cntStackAlignedWidthItems = (sizeVal >> STACK_ALIGN_SHIFT); // For small allocations up to 6 pointer sized words (i.e. 48 bytes of localloc) // we will generate 'push 0'. - if (cntStackAlignedWidthItems <= 6) + assert((sizeVal % REGSIZE_BYTES) == 0); + size_t cntRegSizedWords = sizeVal / REGSIZE_BYTES; + if (cntRegSizedWords <= 6) { info->internalIntCount = 0; } |