From d41ca0d32cac02ee12733b0710d8eae3f34c6a4c Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Sun, 14 Aug 2016 18:52:18 +0200
Subject: 6c: subsitute floating point registers eleminating MOVSD and MOVSS
 instructions in peephole pass

---
 sys/src/cmd/6c/peep.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/sys/src/cmd/6c/peep.c b/sys/src/cmd/6c/peep.c
index 9c2b3c429..1da2dcc7e 100644
--- a/sys/src/cmd/6c/peep.c
+++ b/sys/src/cmd/6c/peep.c
@@ -440,6 +440,11 @@ subprop(Reg *r0)
 		case AADDQ:
 		case AADCL:
 		case AADCQ:
+
+		case AADDSS:
+		case AADDSD:
+		case AMULSS:
+		case AMULSD:
 			/*
 			 * can swap when:
 			 *  ADD R2, R1
@@ -472,6 +477,9 @@ subprop(Reg *r0)
 		case AMOVWQSX:
 		case AMOVLQZX:
 		case AMOVLQSX:
+
+		case AMOVSS:
+		case AMOVSD:
 			if(p->to.type == v1->type)
 				goto gotit;
 			break;
-- 
cgit v1.2.3