diff options
Diffstat (limited to 'Source/JavaScriptCore/offlineasm/x86.rb')
| -rw-r--r-- | Source/JavaScriptCore/offlineasm/x86.rb | 34 |
1 files changed, 12 insertions, 22 deletions
diff --git a/Source/JavaScriptCore/offlineasm/x86.rb b/Source/JavaScriptCore/offlineasm/x86.rb index f78b43912..67cbd14b0 100644 --- a/Source/JavaScriptCore/offlineasm/x86.rb +++ b/Source/JavaScriptCore/offlineasm/x86.rb @@ -764,16 +764,11 @@ class Instruction when "ci2d" $asm.puts "cvtsi2sd #{operands[0].x86Operand(:int)}, #{operands[1].x86Operand(:double)}" when "bdeq" + isUnordered = LocalLabel.unique("bdeq") $asm.puts "ucomisd #{operands[0].x86Operand(:double)}, #{operands[1].x86Operand(:double)}" - if operands[0] == operands[1] - # This is just a jump ordered, which is a jnp. - $asm.puts "jnp #{operands[2].asmLabel}" - else - isUnordered = LocalLabel.unique("bdeq") - $asm.puts "jp #{LabelReference.new(codeOrigin, isUnordered).asmLabel}" - $asm.puts "je #{LabelReference.new(codeOrigin, operands[2]).asmLabel}" - isUnordered.lower("X86") - end + $asm.puts "jp #{LabelReference.new(codeOrigin, isUnordered).asmLabel}" + $asm.puts "je #{LabelReference.new(codeOrigin, operands[2]).asmLabel}" + isUnordered.lower("X86") when "bdneq" handleX86DoubleBranch("jne", :normal) when "bdgt" @@ -787,19 +782,14 @@ class Instruction when "bdequn" handleX86DoubleBranch("je", :normal) when "bdnequn" + isUnordered = LocalLabel.unique("bdnequn") + isEqual = LocalLabel.unique("bdnequn") $asm.puts "ucomisd #{operands[0].x86Operand(:double)}, #{operands[1].x86Operand(:double)}" - if operands[0] == operands[1] - # This is just a jump unordered, which is a jp. - $asm.puts "jp #{operands[2].asmLabel}" - else - isUnordered = LocalLabel.unique("bdnequn") - isEqual = LocalLabel.unique("bdnequn") - $asm.puts "jp #{LabelReference.new(codeOrigin, isUnordered).asmLabel}" - $asm.puts "je #{LabelReference.new(codeOrigin, isEqual).asmLabel}" - isUnordered.lower("X86") - $asm.puts "jmp #{operands[2].asmLabel}" - isEqual.lower("X86") - end + $asm.puts "jp #{LabelReference.new(codeOrigin, isUnordered).asmLabel}" + $asm.puts "je #{LabelReference.new(codeOrigin, isEqual).asmLabel}" + isUnordered.lower("X86") + $asm.puts "jmp #{operands[2].asmLabel}" + isEqual.lower("X86") when "bdgtun" handleX86DoubleBranch("jb", :reverse) when "bdgtequn" @@ -1125,7 +1115,7 @@ class Instruction $asm.puts "movd #{operands[0].x86Operand(:double)}, #{operands[1].x86Operand(:int)}" $asm.puts "movsd #{operands[0].x86Operand(:double)}, %xmm7" $asm.puts "psrlq $32, %xmm7" - $asm.puts "movd %xmm7, #{operands[2].x86Operand(:int)}" + $asm.puts "movsd %xmm7, #{operands[2].x86Operand(:int)}" when "fq2d" $asm.puts "movd #{operands[0].x86Operand(:quad)}, #{operands[1].x86Operand(:double)}" when "fd2q" |