diff options
Diffstat (limited to 'src/jit/lsra.h')
| -rw-r--r-- | src/jit/lsra.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/jit/lsra.h b/src/jit/lsra.h index 9ce2bd79c7..f492e1ac39 100644 --- a/src/jit/lsra.h +++ b/src/jit/lsra.h @@ -327,6 +327,7 @@ public: // // Currently, the maximum number of masks allowed is a constant defined by 'numMasks'. The register mask // table is never resized. It is also limited by the size of the index, currently an unsigned char. + CLANG_FORMAT_COMMENT_ANCHOR; #if defined(_TARGET_ARM64_) static const int numMasks = 128; @@ -445,11 +446,13 @@ private: LSRA_LIMIT_CALLER = 0x2, LSRA_LIMIT_SMALL_SET = 0x3, LSRA_LIMIT_MASK = 0x3 }; + // When LSRA_LIMIT_SMALL_SET is specified, it is desirable to select a "mixed" set of caller- and callee-save // registers, so as to get different coverage than limiting to callee or caller. // At least for x86 and AMD64, and potentially other architecture that will support SIMD, // we need a minimum of 5 fp regs in order to support the InitN intrinsic for Vector4. // Hence the "SmallFPSet" has 5 elements. + CLANG_FORMAT_COMMENT_ANCHOR; #if defined(_TARGET_AMD64_) #ifdef UNIX_AMD64_ABI @@ -513,9 +516,9 @@ private: LsraExtendLifetimes getLsraExtendLifeTimes() { return (LsraExtendLifetimes) (lsraStressMask & LSRA_EXTEND_LIFETIMES_MASK); } bool extendLifetimes() { return getLsraExtendLifeTimes() == LSRA_EXTEND_LIFETIMES; } - // This controls whether variables locations should be set to the previous block in layout order (LSRA_BLOCK_BOUNDARY_LAYOUT), - // or to that of the highest-weight predecessor (LSRA_BLOCK_BOUNDARY_PRED - the default), - // or rotated (LSRA_BLOCK_BOUNDARY_ROTATE). + // This controls whether variables locations should be set to the previous block in layout order + // (LSRA_BLOCK_BOUNDARY_LAYOUT), or to that of the highest-weight predecessor (LSRA_BLOCK_BOUNDARY_PRED - + // the default), or rotated (LSRA_BLOCK_BOUNDARY_ROTATE). enum LsraBlockBoundaryLocations { LSRA_BLOCK_BOUNDARY_PRED = 0, LSRA_BLOCK_BOUNDARY_LAYOUT = 0x100, LSRA_BLOCK_BOUNDARY_ROTATE = 0x200, |