From a0559370c5b6ca2a080b673da7198ae366aa34bd Mon Sep 17 00:00:00 2001 From: jitao Date: Fri, 19 Apr 2019 17:34:30 +0000 Subject: [PATCH] 8221658: aarch64: add necessary predicate for ubfx patterns Bug url: https://bugs.openjdk.java.net/browse/JDK-8221658 --- hotspot/src/cpu/aarch64/vm/aarch64.ad | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/hotspot/src/cpu/aarch64/vm/aarch64.ad b/hotspot/src/cpu/aarch64/vm/aarch64.ad index d779915db..a82629edd 100644 --- a/hotspot/src/cpu/aarch64/vm/aarch64.ad +++ b/hotspot/src/cpu/aarch64/vm/aarch64.ad @@ -10777,7 +10777,7 @@ instruct ubfxwI(iRegINoSp dst, iRegIorL2I src, immI rshift, immI_bitmask mask) long mask = $mask$$constant; int width = exact_log2(mask+1); __ ubfxw(as_Register($dst$$reg), - as_Register($src$$reg), rshift, width); + as_Register($src$$reg), $rshift$$constant & 31, width); %} ins_pipe(ialu_reg_shift); %} @@ -10792,7 +10792,7 @@ instruct ubfxL(iRegLNoSp dst, iRegL src, immI rshift, immL_bitmask mask) long mask = $mask$$constant; int width = exact_log2(mask+1); __ ubfx(as_Register($dst$$reg), - as_Register($src$$reg), rshift, width); + as_Register($src$$reg), $rshift$$constant & 63, width); %} ins_pipe(ialu_reg_shift); %} -- 2.19.0