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5l: ROR instruction

--- a/sys/src/cmd/5l/asm.c

+++ b/sys/src/cmd/5l/asm.c

@@ -1522,6 +1522,7 @@

 	case ASLL:	return o | (0xd<<21) | (0<<5);

 	case ASRL:	return o | (0xd<<21) | (1<<5);

 	case ASRA:	return o | (0xd<<21) | (2<<5);

+	case AROR:	return o | (0xd<<21) | (3<<5);

 	case ASWI:	return o | (0xf<<24);

 	/* old arm 7500 fp using coproc 1 (1<<8) */

--- a/sys/src/cmd/5l/sched.c

+++ b/sys/src/cmd/5l/sched.c

@@ -288,6 +288,7 @@

 	case ASLL:

 	case ASRA:

 	case ASRL:

+	case AROR:

 	case ASUB:

 	case AEOR:

--- a/sys/src/cmd/5l/span.c

+++ b/sys/src/cmd/5l/span.c

@@ -726,6 +726,7 @@

 		case ASLL:

 			oprange[ASRL] = oprange[r];

 			oprange[ASRA] = oprange[r];

+			oprange[AROR] = oprange[r];

 			break;

 		case AMUL:

 			oprange[AMULU] = oprange[r];