(up to) gcc-3.4.3 -mcpu=601 compiled code uses the MQ register (at least) gcc-4.0.1 -mcpu=601 compiled code doesn't use MQ any more
tested with: simple function which calculates remainder int mod(int a, int b) { return a % b; } Why is that? -- Summary: -mcpu=601 doesn't use MQ register Product: gcc Version: 4.0.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: stef dot simoens at scarlet dot be http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25629