X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Farm%2Farm_spec.pl;h=a17d473d8031de011f4d0758123daea391b0c48b;hb=1cfc3b8913222d4e543ba38b6cb23ae55cf37a76;hp=a0174537cb6cd5aff3edf2de70490be23f1e47f9;hpb=a2e273dd80eb3392e684684c8d1980fd1993c7a9;p=libfirm

diff --git a/ir/be/arm/arm_spec.pl b/ir/be/arm/arm_spec.pl
index a0174537c..a17d473d8 100644
--- a/ir/be/arm/arm_spec.pl
+++ b/ir/be/arm/arm_spec.pl
@@ -106,33 +106,33 @@ $mode_gp      = "mode_Iu";
 $mode_fpa     = "mode_E";
 
 # register types:
-#   0 - no special type
-#   1 - caller save (register must be saved by the caller of a function)
-#   2 - callee save (register must be saved by the called function)
-#   4 - ignore (do not assign this register)
-#   8 - emitter can choose an arbitrary register of this class
-#  16 - the register is a virtual one
-#  32 - register represents a state
+$normal      =  0; # no special type
+$caller_save =  1; # caller save (register must be saved by the caller of a function)
+$callee_save =  2; # callee save (register must be saved by the called function)
+$ignore      =  4; # ignore (do not assign this register)
+$arbitrary   =  8; # emitter can choose an arbitrary register of this class
+$virtual     = 16; # the register is a virtual one
+$state       = 32; # register represents a state
 # NOTE: Last entry of each class is the largest Firm-Mode a register can hold
 %reg_classes = (
 	gp => [
-		{ "name" => "r0", "type" => 1 },
-		{ "name" => "r1", "type" => 1 },
-		{ "name" => "r2", "type" => 1 },
-		{ "name" => "r3", "type" => 1 },
-		{ "name" => "r4", "type" => 2 },
-		{ "name" => "r5", "type" => 2 },
-		{ "name" => "r6", "type" => 2 },
-		{ "name" => "r7", "type" => 2 },
-		{ "name" => "r8", "type" => 2 },
-		{ "name" => "r9", "type" => 2 },
-		{ "name" => "r10", "type" => 2 },
-		{ "name" => "r11", "type" => 2 },
-		{ "name" => "r12", "type" => 4 | 2 }, # reserved for linker
-		{ "name" => "sp", "type" => 4 | 2 }, # this is our stack pointer
-		{ "name" => "lr", "type" => 2 | 1 }, # this is our return address
-		{ "name" => "pc", "type" => 4 | 2 }, # this is our program counter
-		{ name => "gp_UKNWN", type => 4 | 8 | 16 },  # we need a dummy register for Unknown nodes
+		{ "name" => "r0", "type"  => $caller_save },
+		{ "name" => "r1", "type"  => $caller_save },
+		{ "name" => "r2", "type"  => $caller_save },
+		{ "name" => "r3", "type"  => $caller_save },
+		{ "name" => "r4", "type"  => $callee_save },
+		{ "name" => "r5", "type"  => $callee_save },
+		{ "name" => "r6", "type"  => $callee_save },
+		{ "name" => "r7", "type"  => $callee_save },
+		{ "name" => "r8", "type"  => $callee_save },
+		{ "name" => "r9", "type"  => $callee_save },
+		{ "name" => "r10", "type" => $callee_save },
+		{ "name" => "r11", "type" => $callee_save },
+		{ "name" => "r12", "type" => $ignore | $callee_save }, # reserved for linker
+		{ "name" => "sp", "type"  => $ignore | $callee_save }, # this is our stack pointer
+		{ "name" => "lr", "type"  => $callee_save | $caller_save }, # this is our return address
+		{ "name" => "pc", "type"  => $ignore | $callee_save }, # this is our program counter
+		{ name => "gp_UKNWN", type => $ignore | $arbitrary | $virtual },  # we need a dummy register for Unknown nodes
 		{ "mode" => $mode_gp }
 	],
 	fpa  => [
@@ -445,25 +445,24 @@ Shl => {
 
 Shr => {
 	irn_flags => "R",
-	comment   => "construct Shr: Shr(a, b) = a >> b",
-	reg_req   => { "in" => [ "gp", "gp" ], "out" => [ "in_r1" ] },
+	comment   => "construct Shr: Shr(a, b) = a >>u b",
+	reg_req   => { "in" => [ "gp", "gp" ], "out" => [ "gp" ] },
 	emit      => '. mov %D0, %S0, lsr %S1'
 },
 
 Shrs => {
 	irn_flags => "R",
-	comment   => "construct Shrs: Shrs(a, b) = a >> b",
-	reg_req   => { "in" => [ "gp", "gp" ], "out" => [ "in_r1" ] },
+	comment   => "construct Shrs: Shrs(a, b) = a >>s b",
+	reg_req   => { "in" => [ "gp", "gp" ], "out" => [ "gp" ] },
 	emit      => '. mov %D0, %S0, asr %S1'
 },
 
-#RotR => {
-#	irn_flags => "R",
-#	comment   => "construct RotR: RotR(a, b) = a ROTR b",
-#	reg_req   => { "in" => [ "gp", "gp" ], "out" => [ "gp" ] },
-#	emit      => '. mov %D0, %S0, ror %S1 /* RotR(%S0, %S1) -> %D0, (%A1, %A2) */'
-##	emit      => '. ror %S0, %S1, %D0'
-#},
+Ror => {
+	irn_flags => "R",
+	comment   => "construct Ror: Ror(a, b) = a <<r>> b",
+	reg_req   => { "in" => [ "gp", "gp" ], "out" => [ "gp" ] },
+	emit      => '. mov %D0, %S0, ror %S1'
+},
 
 #RotL => {
 #  irn_flags => "R",
@@ -579,6 +578,17 @@ CmpBra => {
 	attr_type => "arm_CondJmp_attr_t",
 },
 
+TstBra => {
+	op_flags  => "L|X|Y",
+	state     => "pinned",
+	comment   => "construct conditional branch: TST A, B && JMPxx LABEL",
+	mode      => "mode_T",
+	attr      => "int proj_num",
+	init_attr => "\tset_arm_CondJmp_proj_num(res, proj_num);",
+	reg_req   => { "in" => [ "gp", "gp" ], "out" => [ "none", "none"] },
+	attr_type => "arm_CondJmp_attr_t",
+},
+
 SwitchJmp => {
 	op_flags  => "L|X|Y",
 	state     => "pinned",
@@ -1022,9 +1032,9 @@ AddSP => {
 	outs      => [ "stack:I|S", "M" ],
 },
 
-SubSP => {
+SubSPandCopy => {
 #irn_flags => "I",
-	comment   => "construct Sub from stack pointer",
+	comment   => "construct Sub from stack pointer and copy to Register",
 	reg_req   => { in => [ "sp", "gp", "none" ], out => [ "in_r1", "gp", "none" ] },
 	ins       => [ "stack", "size", "mem" ],
 	emit      => ". sub %D0, %S0, %S1\n".