r300/compiler: Move declaration before code.

Fixes these GCC warnings with linux-x86 build.
radeon_emulate_branches.c: In function ‘handle_if’:
radeon_emulate_branches.c:65: warning: ISO C90 forbids mixed declarations and code
radeon_emulate_branches.c:71: warning: ISO C90 forbids mixed declarations and code
radeon_emulate_branches.c: In function ‘handle_else’:
radeon_emulate_branches.c:94: warning: ISO C90 forbids mixed declarations and code
radeon_emulate_branches.c: In function ‘handle_endif’:
radeon_emulate_branches.c:201: warning: ISO C90 forbids mixed declarations and code
radeon_emulate_branches.c: In function ‘fix_output_writes’:
radeon_emulate_branches.c:267: warning: ISO C90 forbids mixed declarations and code
radeon_emulate_branches.c:284: warning: ISO C90 forbids mixed declarations and code
radeon_emulate_branches.c: In function ‘rc_emulate_branches’:
radeon_emulate_branches.c:307: warning: ISO C90 forbids mixed declarations and code

diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_emulate_branches.c b/src/mesa/drivers/dri/r300/compiler/radeon_emulate_branches.c
index 222e5b7..7bede34 100644 (file)
--- a/src/mesa/drivers/dri/r300/compiler/radeon_emulate_branches.c
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_emulate_branches.c
@@ -57,18 +57,21 @@ struct emulate_branch_state {
 
 static void handle_if(struct emulate_branch_state * s, struct rc_instruction * inst)
 {
+       struct branch_info * branch;
+       struct rc_instruction * inst_mov;
+
        memory_pool_array_reserve(&s->C->Pool, struct branch_info,
                        s->Branches, s->BranchCount, s->BranchReserved, 1);
 
        DBG("%s\n", __FUNCTION__);
 
-       struct branch_info * branch = &s->Branches[s->BranchCount++];
+       branch = &s->Branches[s->BranchCount++];
        memset(branch, 0, sizeof(struct branch_info));
        branch->If = inst;
 
        /* Make a safety copy of the decision register, because we will need
         * it at ENDIF time and it might be overwritten in both branches. */
-       struct rc_instruction * inst_mov = rc_insert_new_instruction(s->C, inst->Prev);
+       inst_mov = rc_insert_new_instruction(s->C, inst->Prev);
        inst_mov->U.I.Opcode = RC_OPCODE_MOV;
        inst_mov->U.I.DstReg.File = RC_FILE_TEMPORARY;
        inst_mov->U.I.DstReg.Index = rc_find_free_temporary(s->C);
@@ -84,6 +87,8 @@ static void handle_if(struct emulate_branch_state * s, struct rc_instruction * i
 
 static void handle_else(struct emulate_branch_state * s, struct rc_instruction * inst)
 {
+       struct branch_info * branch;
+
        if (!s->BranchCount) {
                rc_error(s->C, "Encountered ELSE outside of branches");
                return;
@@ -91,7 +96,7 @@ static void handle_else(struct emulate_branch_state * s, struct rc_instruction *
 
        DBG("%s\n", __FUNCTION__);
 
-       struct branch_info * branch = &s->Branches[s->BranchCount - 1];
+       branch = &s->Branches[s->BranchCount - 1];
        branch->Else = inst;
 }
 
@@ -191,6 +196,10 @@ static void inject_cmp(struct emulate_branch_state * s,
 
 static void handle_endif(struct emulate_branch_state * s, struct rc_instruction * inst)
 {
+       struct branch_info * branch;
+       struct register_proxies IfProxies;
+       struct register_proxies ElseProxies;
+
        if (!s->BranchCount) {
                rc_error(s->C, "Encountered ENDIF outside of branches");
                return;
@@ -198,9 +207,7 @@ static void handle_endif(struct emulate_branch_state * s, struct rc_instruction
 
        DBG("%s\n", __FUNCTION__);
 
-       struct branch_info * branch = &s->Branches[s->BranchCount - 1];
-       struct register_proxies IfProxies;
-       struct register_proxies ElseProxies;
+       branch = &s->Branches[s->BranchCount - 1];
 
        memset(&IfProxies, 0, sizeof(IfProxies));
        memset(&ElseProxies, 0, sizeof(ElseProxies));
@@ -261,16 +268,19 @@ static void remap_output_function(void * userdata, struct rc_instruction * inst,
  */
 static void fix_output_writes(struct emulate_branch_state * s, struct rc_instruction * inst)
 {
+       const struct rc_opcode_info * opcode;
+
        if (!s->BranchCount)
                return;
 
-       const struct rc_opcode_info * opcode = rc_get_opcode_info(inst->U.I.Opcode);
+       opcode = rc_get_opcode_info(inst->U.I.Opcode);
 
        if (!opcode->HasDstReg)
                return;
 
        if (inst->U.I.DstReg.File == RC_FILE_OUTPUT) {
                struct remap_output_data remap;
+               struct rc_instruction * inst_mov;
 
                remap.Output = inst->U.I.DstReg.Index;
                remap.Temporary = rc_find_free_temporary(s->C);
@@ -281,7 +291,7 @@ static void fix_output_writes(struct emulate_branch_state * s, struct rc_instruc
                        rc_remap_registers(inst, &remap_output_function, &remap);
                }
 
-               struct rc_instruction * inst_mov = rc_insert_new_instruction(s->C, s->C->Program.Instructions.Prev);
+               inst_mov = rc_insert_new_instruction(s->C, s->C->Program.Instructions.Prev);
                inst_mov->U.I.Opcode = RC_OPCODE_MOV;
                inst_mov->U.I.DstReg.File = RC_FILE_OUTPUT;
                inst_mov->U.I.DstReg.Index = remap.Output;
@@ -299,12 +309,13 @@ static void fix_output_writes(struct emulate_branch_state * s, struct rc_instruc
 void rc_emulate_branches(struct radeon_compiler *c, void *user)
 {
        struct emulate_branch_state s;
+       struct rc_instruction * ptr;
 
        memset(&s, 0, sizeof(s));
        s.C = c;
 
        /* Untypical loop because we may remove the current instruction */
-       struct rc_instruction * ptr = c->Program.Instructions.Next;
+       ptr = c->Program.Instructions.Next;
        while(ptr != &c->Program.Instructions) {
                struct rc_instruction * inst = ptr;
                ptr = ptr->Next;