Remove ia32_Sub64Bit. Replace it by Sub and Sbb.

[libfirm] / ir / be / ia32 / ia32_spec.pl

diff --git a/ir/be/ia32/ia32_spec.pl b/ir/be/ia32/ia32_spec.pl
index 03be763..dc0c49d 100644 (file)
--- a/ir/be/ia32/ia32_spec.pl
+++ b/ir/be/ia32/ia32_spec.pl
@@ -566,7 +566,7 @@ XorMem8Bit => {
 
 Sub => {
        irn_flags => "R",
-       reg_req   => { in => [ "gp", "gp", "none", "gp", "gp" ], out => [ "in_r4" ] },
+       reg_req   => { in => [ "gp", "gp", "none", "gp", "gp" ], out => [ "in_r4", "none", "flags" ] },
        ins       => [ "base", "index", "mem", "left", "right" ],
        am        => "full,binary",
        emit      => '. sub%M %binop',
@@ -596,8 +596,8 @@ SubMem8Bit => {
 },
 
 Sbb => {
-       reg_req   => { in => [ "gp", "gp", "none", "gp", "gp" ], out => [ "in_r4 !in_r5" ] },
-       ins       => [ "base", "index", "mem", "left", "right" ],
+       reg_req   => { in => [ "gp", "gp", "none", "gp", "gp", "flags" ], out => [ "in_r4 !in_r5" ] },
+       ins       => [ "base", "index", "mem", "left", "right", "eflags" ],
        am        => "full,binary",
        emit      => '. sbb%M %binop',
        units     => [ "GP" ],
@@ -605,19 +605,14 @@ Sbb => {
        modified_flags => $status_flags
 },
 
-Sub64Bit => {
-       irn_flags => "R",
-       arity     => 4,
-       reg_req   => { in => [ "gp", "gp", "gp", "gp" ], out => [ "!in", "!in" ] },
-       emit      => '
-. movl %S0, %D0
-. movl %S1, %D1
-. subl %SI2, %D0
-. sbbl %SI3, %D1
-',
-       outs      => [ "low_res", "high_res" ],
-       units     => [ "GP" ],
-       modified_flags => $status_flags
+l_Sub => {
+       reg_req   => { in => [ "none", "none" ], out => [ "none" ] },
+       ins       => [ "left", "right" ],
+},
+
+l_Sbb => {
+       reg_req   => { in => [ "none", "none", "none" ], out => [ "none" ] },
+       ins       => [ "left", "right", "eflags" ],
 },
 
 IDiv => {