home align_asm_colon
Category: Code alignment options (not left column spaces/tabs)
Type: boolean [false, true]
Default: false
Whether to align text after 'asm volatile ()' colons.
| raw CPP code | align_asm_colon=false | align_asm_colon=true | space align_asm_colon=true |
|---|---|---|---|
| void align_asm_colon(){ asm ("bsfl %1,%0" : "=r" (dwRes) : "r" (dwSomeValue) : "cc"); asm volatile ( "rdtsc\n\t" // Returns the time in EDX:EAX. "shl $32, %%rdx\n\t" // Shift the upper bits left. "or %%rdx, %0" // 'Or' in the lower bits. : "=a" (msr) : : "rdx"); asm volatile ("mtfsf 255,%1" : "=X" (sum) : "f" (fpenv)); } | void align_asm_colon(){ asm ("bsfl %1,%0" : "=r" (dwRes) : "r" (dwSomeValue) : "cc"); asm volatile ( "rdtsc\n\t" // Returns the time in EDX:EAX. "shl $32, %%rdx\n\t" // Shift the upper bits left. "or %%rdx, %0" // 'Or' in the lower bits. : "=a" (msr) : : "rdx"); asm volatile ("mtfsf 255,%1" : "=X" (sum) : "f" (fpenv)); } | void align_asm_colon(){ asm ("bsfl %1,%0" : "=r" (dwRes) : "r" (dwSomeValue) : "cc"); asm volatile ( "rdtsc\n\t" // Returns the time in EDX:EAX. "shl $32, %%rdx\n\t" // Shift the upper bits left. "or %%rdx, %0" // 'Or' in the lower bits. : "=a" (msr) : : "rdx"); asm volatile ("mtfsf 255,%1" : "=X" (sum) : "f" (fpenv)); } | voidalign_asm_colon(){ asm("bsfl %1,%0" :"=r"(dwRes) :"r"(dwSomeValue) :"cc"); asmvolatile("rdtsc\n\t"// Returns the time in EDX:EAX. "shl $32, %%rdx\n\t"// Shift the upper bits left. "or %%rdx, %0"// 'Or' in the lower bits. :"=a"(msr) : :"rdx"); asmvolatile("mtfsf 255,%1":"=X"(sum):"f"(fpenv)); } |
code sample based on https://gcc.gnu.org/onlinedocs/gcc/Extended-Asm.html BUG: same result for false and true: always aligned. Edited by JEAYNE
Not the best code for this option? See how to improve the .uds file used to generate these examples.
