Author: jhibbits
Date: Sun Dec 9 04:54:55 2018
New Revision: 341752
URL: https://svnweb.freebsd.org/changeset/base/341752
Log:
powerpc/SPE: Copy lower part of source register to target for
efdabs/efdnabs/efdneg
MFC after: 1 week
MFC With: r341751
Modified:
head/sys/powerpc/booke/spe.c
Modified: head/sys/powerpc/booke/spe.c
==============================================================================
--- head/sys/powerpc/booke/spe.c Sun Dec 9 04:13:14 2018
(r341751)
+++ head/sys/powerpc/booke/spe.c Sun Dec 9 04:54:55 2018
(r341752)
@@ -543,16 +543,19 @@ spe_handle_fpdata(struct trapframe *frame)
case EFDABS:
curthread->td_pcb->pcb_vec.vr[rd][0] =
curthread->td_pcb->pcb_vec.vr[ra][0] & ~(1U << 31);
+ frame->fixreg[rd] = frame->fixreg[ra];
enable_vec(curthread);
break;
case EFDNABS:
curthread->td_pcb->pcb_vec.vr[rd][0] =
curthread->td_pcb->pcb_vec.vr[ra][0] | (1U << 31);
+ frame->fixreg[rd] = frame->fixreg[ra];
enable_vec(curthread);
break;
case EFDNEG:
curthread->td_pcb->pcb_vec.vr[rd][0] =
curthread->td_pcb->pcb_vec.vr[ra][0] ^ (1U << 31);
+ frame->fixreg[rd] = frame->fixreg[ra];
enable_vec(curthread);
break;
case EFDCFS:
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