PPC/s390: [buitlins] Remove unneeded branch in Generate_Call

Port 7675b95f

Original Commit Message:

    The x64 version was already doing it.

R=solanes@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=
LOG=N

Change-Id: I4dbe1959736e73910567fb74381c4505c790ba14
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1827739Reviewed-by: Milad Farazmand <miladfar@ca.ibm.com>
Reviewed-by: Junliang Yan <jyan@ca.ibm.com>
Commit-Queue: Milad Farazmand <miladfar@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#64009}

src/builtins/ppc/builtins-ppc.cc

@@ -2260,7 +2260,7 @@ void Builtins::Generate_Call(MacroAssembler* masm, ConvertReceiverMode mode) {
   //  -- r4 : the target to call (can be any Object).
   // -----------------------------------
 
-  Label non_callable, non_function, non_smi;
+  Label non_callable, non_smi;
   __ JumpIfSmi(r4, &non_callable);
   __ bind(&non_smi);
   __ CompareObjectType(r4, r7, r8, JS_FUNCTION_TYPE);
@@ -2277,12 +2277,10 @@ void Builtins::Generate_Call(MacroAssembler* masm, ConvertReceiverMode mode) {
 
   // Check if target is a proxy and call CallProxy external builtin
   __ cmpi(r8, Operand(JS_PROXY_TYPE));
-  __ bne(&non_function);
-  __ Jump(BUILTIN_CODE(masm->isolate(), CallProxy), RelocInfo::CODE_TARGET);
+  __ Jump(BUILTIN_CODE(masm->isolate(), CallProxy), RelocInfo::CODE_TARGET, eq);
 
   // 2. Call to something else, which might have a [[Call]] internal method (if
   // not we raise an exception).
-  __ bind(&non_function);
   // Overwrite the original receiver the (original) target.
   __ ShiftLeftImm(r8, r3, Operand(kPointerSizeLog2));
   __ StorePX(r4, MemOperand(sp, r8));

src/builtins/s390/builtins-s390.cc

@@ -2311,7 +2311,7 @@ void Builtins::Generate_Call(MacroAssembler* masm, ConvertReceiverMode mode) {
   //  -- r3 : the target to call (can be any Object).
   // -----------------------------------
 
-  Label non_callable, non_function, non_smi;
+  Label non_callable, non_smi;
   __ JumpIfSmi(r3, &non_callable);
   __ bind(&non_smi);
   __ CompareObjectType(r3, r6, r7, JS_FUNCTION_TYPE);
@@ -2328,12 +2328,10 @@ void Builtins::Generate_Call(MacroAssembler* masm, ConvertReceiverMode mode) {
 
   // Check if target is a proxy and call CallProxy external builtin
   __ CmpP(r7, Operand(JS_PROXY_TYPE));
-  __ bne(&non_function);
-  __ Jump(BUILTIN_CODE(masm->isolate(), CallProxy), RelocInfo::CODE_TARGET);
+  __ Jump(BUILTIN_CODE(masm->isolate(), CallProxy), RelocInfo::CODE_TARGET, eq);
 
   // 2. Call to something else, which might have a [[Call]] internal method (if
   // not we raise an exception).
-  __ bind(&non_function);
   // Overwrite the original receiver the (original) target.
   __ ShiftLeftP(r7, r2, Operand(kPointerSizeLog2));
   __ StoreP(r3, MemOperand(sp, r7));