| /* Verify that hardware multiply is preferred on XScale. */ |
| /* { dg-do compile } */ |
| /* { dg-options "-mcpu=xscale -O2" } */ |
| /* { dg-skip-if "Test is specific to the Xscale" { arm*-*-* } { "-march=*" } { "-march=xscale" } } */ |
| /* { dg-skip-if "Test is specific to the Xscale" { arm*-*-* } { "-mcpu=*" } { "-mcpu=xscale" } } */ |
| /* { dg-skip-if "Test is specific to ARM mode" { arm*-*-* } { "-mthumb" } { "" } } */ |
| /* { dg-require-effective-target arm32 } */ |
| |
| /* Brett Gaines' test case. */ |
| unsigned BCPL(unsigned) __attribute__ ((naked)); |
| unsigned BCPL(unsigned seed) |
| { |
| /* Best code would be: |
| ldr r1, =2147001325 |
| ldr r2, =715136305 |
| mla r0, r1, r0, r2 |
| mov pc, lr */ |
| |
| return seed * 2147001325U + 715136305U; |
| } |
| |
| /* { dg-final { scan-assembler "mla\[ ].*" } } */ |
