From e5bd12ea90bd5a5727f51ade05c87962ca390670 Mon Sep 17 00:00:00 2001 From: Ken Thompson Date: Thu, 21 Oct 2010 18:15:00 -0700 Subject: [PATCH] bug right shifting 64 bits by a variable that equals 32 R=rsc CC=golang-dev https://golang.org/cl/2645042 --- src/cmd/5g/cgen64.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/cmd/5g/cgen64.c b/src/cmd/5g/cgen64.c index a22f4a548c..716ec5ed5b 100644 --- a/src/cmd/5g/cgen64.c +++ b/src/cmd/5g/cgen64.c @@ -439,12 +439,12 @@ olsh_break: p3 = gbranch(ABLO, T); // shift == 32 + p1 = gins(AMOVW, &bh, &al); + p1->scond = C_SCOND_EQ; if(bh.type->etype == TINT32) p1 = gshift(AMOVW, &bh, SHIFT_AR, 31, &ah); else - p1 = gins(AEOR, &al, &al); - p1->scond = C_SCOND_EQ; - p1 = gins(AMOVW, &bh, &al); + p1 = gins(AEOR, &ah, &ah); p1->scond = C_SCOND_EQ; p4 = gbranch(ABEQ, T); -- 2.48.1