diff options
Diffstat (limited to 'Source/JavaScriptCore/offlineasm')
| -rw-r--r-- | Source/JavaScriptCore/offlineasm/sh4.rb | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/Source/JavaScriptCore/offlineasm/sh4.rb b/Source/JavaScriptCore/offlineasm/sh4.rb index 57223c826..3abfd3484 100644 --- a/Source/JavaScriptCore/offlineasm/sh4.rb +++ b/Source/JavaScriptCore/offlineasm/sh4.rb @@ -570,11 +570,20 @@ class Instruction $asm.puts "add #{sh4Operands(operands)}" end when "subi", "subp" - raise "#{opcode} with #{operands.size} operands is not handled yet" unless operands.size == 2 - if operands[0].is_a? Immediate - $asm.puts "add #{sh4Operands([Immediate.new(codeOrigin, -1 * operands[0].value), operands[1]])}" + if operands.size == 3 + if operands[1] != operands[2] + $asm.puts "neg #{sh4Operands([operands[2], operands[2]])}" + $asm.puts "add #{sh4Operands([operands[0], operands[2]])}" + else + $asm.puts "mov #{sh4Operands([operands[0], operands[2]])}" + $asm.puts "sub #{sh4Operands([operands[1], operands[2]])}" + end else - $asm.puts "sub #{sh4Operands(operands)}" + if operands[0].is_a? Immediate + $asm.puts "add #{sh4Operands([Immediate.new(codeOrigin, -1 * operands[0].value), operands[1]])}" + else + $asm.puts "sub #{sh4Operands(operands)}" + end end when "muli", "mulp" $asm.puts "mul.l #{sh4Operands(operands[0..1])}" @@ -681,6 +690,8 @@ class Instruction emitSH4CondBranch("hs", true, operands) when "bia", "bpa", "bba" emitSH4CondBranch("hi", false, operands) + when "bibeq", "bpbeq" + emitSH4CondBranch("hi", true, operands) when "biaeq", "bpaeq" emitSH4CondBranch("hs", false, operands) when "bigteq", "bpgteq", "bbgteq" |