diff options
Diffstat (limited to 'compiler/GHC/CmmToAsm/X86/CodeGen.hs')
| -rw-r--r-- | compiler/GHC/CmmToAsm/X86/CodeGen.hs | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/compiler/GHC/CmmToAsm/X86/CodeGen.hs b/compiler/GHC/CmmToAsm/X86/CodeGen.hs index 52f2a52123..028887a56f 100644 --- a/compiler/GHC/CmmToAsm/X86/CodeGen.hs +++ b/compiler/GHC/CmmToAsm/X86/CodeGen.hs @@ -129,7 +129,6 @@ cmmTopCodeGen (CmmData sec dat) = {- Note [Verifying basic blocks] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - We want to guarantee a few things about the results of instruction selection. @@ -231,7 +230,6 @@ addSpUnwindings instr = return $ unitOL instr {- Note [Keeping track of the current block] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - When generating instructions for Cmm we sometimes require the current block for things like retry loops. @@ -2906,7 +2904,7 @@ evalArgs bid actuals newLocalReg ty = LocalReg <$> getUniqueM <*> pure ty -- Note [DIV/IDIV for bytes] --- +-- ~~~~~~~~~~~~~~~~~~~~~~~~~ -- IDIV reminder: -- Size Dividend Divisor Quotient Remainder -- byte %ax r/m8 %al %ah @@ -2990,7 +2988,7 @@ genCCall32' target dest_regs args = do let -- Align stack to 16n for calls, assuming a starting stack -- alignment of 16n - word_size on procedure entry. Which we - -- maintiain. See Note [rts/StgCRun.c : Stack Alignment on X86] + -- maintiain. See Note [Stack Alignment on X86] in rts/StgCRun.c. sizes = map (arg_size_bytes . cmmExprType platform) (reverse args) raw_arg_size = sum sizes + platformWordSizeInBytes platform arg_pad_size = (roundTo 16 $ raw_arg_size) - raw_arg_size @@ -3605,10 +3603,8 @@ condIntReg cond x y = do return (Any II32 code) ------------------------------------------------------------ ---- Note [SSE Parity Checks] --- ------------------------------------------------------------ - +-- Note [SSE Parity Checks] +-- ~~~~~~~~~~~~~~~~~~~~~~~~ -- We have to worry about unordered operands (eg. comparisons -- against NaN). If the operands are unordered, the comparison -- sets the parity flag, carry flag and zero flag. |