mcux: mcux-sdk: Fix labels in inline assembly

This commit fixes labels in inline assembly to use
unique identifiers for internal labels.
This fix is required to be able to use LTO.

Signed-off-by: Radoslaw Koppel <[email protected]>

Author: rakons

mcux/README

@@ -90,3 +90,4 @@ Patch List:
      - mcux-sdk\manifests
      - mcux-sdk\middleware\issdk\docs
      - mcux-sdk\docs
+  26. mcux: mcux-sdk: Fix "loop" labels in inline assembly to use unique identifiers.

mcux/mcux-sdk/components/css_pkc/src/comps/mcuxCsslMemory/inc/impl/mcuxCsslMemory_Compare_asm.h

@@ -29,15 +29,15 @@ do{  \
     uint8_t dat_lhs, dat_rhs;  \
     __asm volatile (  \
         "EOR    %[_retval], %[_result], %[_notValid]\n" /* retval should now be 0xFFFFFFFF */\
-        "loop:\n" /* Comparison; in case of equality retval should remain 0xFFFFFFFF throughout the loop. */\
+        "loop%=:\n" /* Comparison; in case of equality retval should remain 0xFFFFFFFF throughout the loop. */\
         "LDRB   %[_dat_lhs], [%[_cur_lhs]], #+1\n"        \
         "LDRB   %[_dat_rhs], [%[_cur_rhs]], #+1\n"        \
         "EORS   %[_dat_lhs], %[_dat_lhs], %[_dat_rhs]\n"  \
         "BICS   %[_retval], %[_retval], %[_dat_lhs]\n"    \
         "SUBS   %[_cnt], %[_cnt], #+1\n"                  \
         "MVN    %[_dat_rhs], %[_dat_lhs]\n"               \
         "AND    %[_retval], %[_retval], %[_dat_rhs]\n"    \
-        "BNE    loop\n"  \
+        "BNE    loop%=\n"  \
         : [_retval] "=r" (retval_),    \
           [_cur_lhs] "+r" (cur_lhs_),  \
           [_cur_rhs] "+r" (cur_rhs_),  \

mcux/mcux-sdk/drivers/common/fsl_common_arm.c

@@ -159,11 +159,11 @@ static void DelayLoop(uint32_t count)
 {
     __ASM volatile("    MOV    X0, %0" : : "r"(count));
     __ASM volatile(
-        "loop:                          \n"
+        "loop%=:                        \n"
         "    SUB    X0, X0, #1          \n"
         "    CMP    X0, #0              \n"
 
-        "    BNE    loop                \n"
+        "    BNE    loop%=              \n"
         :
         :
         : "r0");
@@ -176,15 +176,15 @@ static void DelayLoop(uint32_t count)
 {
     __ASM volatile("    MOV    R0, %0" : : "r"(count));
     __ASM volatile(
-        "loop:                          \n"
+        "loop%=:                        \n"
 #if defined(__GNUC__) && !defined(__ARMCC_VERSION)
         "    SUB    R0, R0, #1          \n"
 #else
         "    SUBS   R0, R0, #1          \n"
 #endif
         "    CMP    R0, #0              \n"
 
-        "    BNE    loop                \n"
+        "    BNE    loop%=              \n"
         :
         :
         : "r0");