| /* Check that GCC does not generate Armv8.1-M low over head loop instructions |
| if LR is modified within the loop. */ |
| /* { dg-do compile } */ |
| /* { dg-skip-if "avoid conflicting multilib options" { *-*-* } { "-marm" "-mcpu=*" "-mfloat-abi=hard" } } */ |
| /* { dg-options "-march=armv8.1-m.main -mthumb -O3 --save-temps -mfloat-abi=soft" } */ |
| /* { dg-require-effective-target arm_softfloat } */ |
| #include <stdlib.h> |
| #include "lob.h" |
| |
| int a[N]; |
| int b[N]; |
| int c[N]; |
| |
| static __attribute__ ((always_inline)) inline int |
| foo (int a, int b) |
| { |
| NO_LOB; |
| return a + b; |
| } |
| |
| int |
| main (void) |
| { |
| for (int i = 0; i < N; i++) |
| { |
| a[i] = i; |
| b[i] = i * 2; |
| c[i] = foo(a[i], b[i]); |
| } |
| |
| return 0; |
| } |
| /* { dg-final { scan-assembler-not {dls\s\S*,\s\S*} } } */ |
| /* { dg-final { scan-assembler-not {le\slr,\s\S*} } } */ |