[bsp][tms320f28379d] Fix FPU config problem

bsp/tms320f28379d/.cproject

@@ -32,7 +32,7 @@
 								<option id="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.LARGE_MEMORY_MODEL.2001892821" name="Option deprecated, set by default (--large_memory_model, -ml)" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.LARGE_MEMORY_MODEL" value="true" valueType="boolean"/>
 								<option id="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.UNIFIED_MEMORY.1224119119" name="Unified memory (--unified_memory, -mt)" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.UNIFIED_MEMORY" value="true" valueType="boolean"/>
 								<option id="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.SILICON_VERSION.1107602335" name="Processor version (--silicon_version, -v)" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.SILICON_VERSION" value="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.SILICON_VERSION.28" valueType="enumerated"/>
-								<option id="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.FLOAT_SUPPORT.1330432923" name="Specify floating point support (--float_support)" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.FLOAT_SUPPORT" value="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.FLOAT_SUPPORT.fpu32" valueType="enumerated"/>
+								<option id="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.FLOAT_SUPPORT.1330432923" name="Specify floating point support (--float_support)" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.FLOAT_SUPPORT" value="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.FLOAT_SUPPORT.softlib" valueType="enumerated"/>
 								<option id="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.CLA_SUPPORT.1090597518" name="Specify CLA support (--cla_support)" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.CLA_SUPPORT" value="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.CLA_SUPPORT.cla1" valueType="enumerated"/>
 								<option id="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.VCU_SUPPORT.1640791193" name="Specify VCU support (--vcu_support)" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.VCU_SUPPORT" value="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.VCU_SUPPORT.vcu2" valueType="enumerated"/>
 								<option id="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.TMU_SUPPORT.1184307973" name="Specify TMU support (--tmu_support)" superClass="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.TMU_SUPPORT" value="com.ti.ccstudio.buildDefinitions.C2000_18.1.compilerID.TMU_SUPPORT.tmu0" valueType="enumerated"/>

libcpu/ti-dsp/c28x/context.s

@@ -113,7 +113,6 @@ _reswitch:
     MOVL    XAR5, #_rt_interrupt_to_thread     ; set rt_interrupt_to_thread
     MOVL    *XAR5, XAR4
 
-    ;TRAP    #16
     LRETR
     .endasmfunc
 
@@ -169,8 +168,6 @@ _RTOSINT_Handler:
     MOV     AR1, AL
     CMP     AR1, #0
     B       switch_to_thread, EQ    ; skip register save at the first time 
-
-    ;MOVZ    AR1, @SP                 ; get from thread stack pointer 
     
 ;#if defined (__VFP_FP__) && !defined(__SOFTFP__)
 ;    TST     lr, #0x10           ; if(!EXC_RETURN[4]) 
@@ -205,7 +202,7 @@ switch_to_thread:
 ;#endif
 
     MOV     @SP, AR1
-    ;INC     SP
+
     RT_CTX_RESTORE     ; pop r4 - r11 register
 
 rtosint_exit: