From 08fd2c8bd777e5a0949b2586f13abb9304dcfb9b Mon Sep 17 00:00:00 2001 From: "Pedro F. Giffuni" Date: Tue, 17 Dec 2013 20:53:22 +0000 Subject: [PATCH] gcc: fix ICE in rs600 when using -fno-trapping-math. Solves GCC-PR target/30485 Obtained from: gcc 4.3 (rev. 120902; GPLv2) MFC after: 2 weeks --- contrib/gcc/ChangeLog.gcc43 | 6 ++++++ contrib/gcc/config/rs6000/rs6000.c | 12 ++++++++++-- 2 files changed, 16 insertions(+), 2 deletions(-) diff --git a/contrib/gcc/ChangeLog.gcc43 b/contrib/gcc/ChangeLog.gcc43 index 98b368d7f18..3658d190f0d 100644 --- a/contrib/gcc/ChangeLog.gcc43 +++ b/contrib/gcc/ChangeLog.gcc43 @@ -399,6 +399,12 @@ (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b for CPUs that have PTA_CX16 set. +2007-01-18 Josh Conner (r120902) + + PR target/30485 + * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add + support for UNLE, UNLT, UNGE, and UNGT. + 2007-01-17 Eric Christopher (r120846) * config.gcc: Support core2 processor. diff --git a/contrib/gcc/config/rs6000/rs6000.c b/contrib/gcc/config/rs6000/rs6000.c index 287902f0b01..a4d2020c79e 100644 --- a/contrib/gcc/config/rs6000/rs6000.c +++ b/contrib/gcc/config/rs6000/rs6000.c @@ -11738,10 +11738,18 @@ rs6000_emit_vector_compare (enum rtx_code rcode, try_again = true; break; case NE: - /* Treat A != B as ~(A==B). */ + case UNLE: + case UNLT: + case UNGE: + case UNGT: + /* Invert condition and try again. + e.g., A != B becomes ~(A==B). */ { + enum rtx_code rev_code; enum insn_code nor_code; - rtx eq_rtx = rs6000_emit_vector_compare (EQ, op0, op1, + + rev_code = reverse_condition_maybe_unordered (rcode); + rtx eq_rtx = rs6000_emit_vector_compare (rev_code, op0, op1, dest_mode); nor_code = one_cmpl_optab->handlers[(int)dest_mode].insn_code;