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From: Giuliano Belinassi <giulianob@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc/devel/autopar_devel] WIP amdgcn: use unsigned extend for lshiftrt Date: Sat, 22 Aug 2020 21:17:19 +0000 (GMT) [thread overview] Message-ID: <20200822211719.C1D81388C014@sourceware.org> (raw) https://gcc.gnu.org/g:4f1cae9845f98c3f4405c3a164824093b3ac5096 commit 4f1cae9845f98c3f4405c3a164824093b3ac5096 Author: Andrew Stubbs <ams@codesourcery.com> Date: Tue Apr 28 20:48:51 2020 +0100 WIP amdgcn: use unsigned extend for lshiftrt This fixes a wrong-code logic error in a previous patch. Detected by gcc.c-torture/execute/pr53645-2.c. 2020-05-15 Andrew Stubbs <ams@codesourcery.com> gcc/ * config/gcn/gcn-valu.md (v<expander><mode>3): Fix unsignedp. Diff: --- gcc/ChangeLog | 4 ++++ gcc/config/gcn/gcn-valu.md | 2 +- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b66cb8a477b..31fd653d55f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2020-05-15 Andrew Stubbs <ams@codesourcery.com> + + * config/gcn/gcn-valu.md (v<expander><mode>3): Fix unsignedp. + 2020-05-15 Richard Biener <rguenther@suse.de> PR tree-optimization/95133 diff --git a/gcc/config/gcn/gcn-valu.md b/gcc/config/gcn/gcn-valu.md index a43d6b6c6f3..d31fe5063b9 100644 --- a/gcc/config/gcn/gcn-valu.md +++ b/gcc/config/gcn/gcn-valu.md @@ -2113,7 +2113,7 @@ "" { enum {ashift, lshiftrt, ashiftrt}; - bool unsignedp = (<code> == ashift || <code> == ashiftrt); + bool unsignedp = (<code> == lshiftrt); rtx insi1 = gen_reg_rtx (<VnSI>mode); rtx insi2 = gen_reg_rtx (<VnSI>mode); rtx outsi = gen_reg_rtx (<VnSI>mode);
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