From ad84548336ad9a08b451ddd7ea64f07aee0576a6 Mon Sep 17 00:00:00 2001 From: Uros Bizjak Date: Thu, 6 Feb 2020 17:34:21 +0100 Subject: [PATCH] Emit "#" instead of calling gcc_unreachable for invalid insns. Implement standard approach by emitting "#" for insns that have to be split. * config/i386/i386.md (*pushtf): Emit "#" instead of calling gcc_unreachable in insn output. (*pushxf): Ditto. (*pushdf): Ditto. (*pushsf_rex64): Ditto for alternatives other than 1. (*pushsf): Ditto for alternatives other than 1. --- gcc/ChangeLog | 9 +++++++++ gcc/config/i386/i386.md | 12 +++++++----- 2 files changed, 16 insertions(+), 5 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index bc9c3720488..c842c4fc02f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +2020-02-06 Uroš Bizjak + + * config/i386/i386.md (*pushtf): Emit "#" instead of + calling gcc_unreachable in insn output. + (*pushxf): Ditto. + (*pushdf): Ditto. + (*pushsf_rex64): Ditto for alternatives other than 1. + (*pushsf): Ditto for alternatives other than 1. + 2020-02-06 Martin Liska PR gcov-profile/91971 diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 496a8666643..34649c010b8 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -3032,7 +3032,7 @@ "TARGET_64BIT || TARGET_SSE" { /* This insn should be already split before reg-stack. */ - gcc_unreachable (); + return ("#"); } [(set_attr "isa" "*,x64") (set_attr "type" "multi") @@ -3087,7 +3087,7 @@ "" { /* This insn should be already split before reg-stack. */ - gcc_unreachable (); + return ("#"); } [(set_attr "isa" "*,*,*,nox64,x64") (set_attr "type" "multi") @@ -3123,7 +3123,7 @@ "" { /* This insn should be already split before reg-stack. */ - gcc_unreachable (); + return ("#"); } [(set_attr "isa" "*,nox64,nox64,nox64,x64,sse2") (set_attr "type" "multi") @@ -3156,7 +3156,8 @@ "TARGET_64BIT" { /* Anything else should be already split before reg-stack. */ - gcc_assert (which_alternative == 1); + if (which_alternative != 1) + return ("#"); return "push{q}\t%q1"; } [(set_attr "type" "multi,push,multi") @@ -3169,7 +3170,8 @@ "!TARGET_64BIT" { /* Anything else should be already split before reg-stack. */ - gcc_assert (which_alternative == 1); + if (which_alternative != 1) + return ("#"); return "push{l}\t%1"; } [(set_attr "type" "multi,push,multi") -- 2.30.2