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From: "asolokha at gmx dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/103075] New: [12 Regression] ICE in exact_int_to_float_conversion_p, at simplify-rtx.c:905 Date: Thu, 04 Nov 2021 04:19:25 +0000 [thread overview] Message-ID: <bug-103075-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103075 Bug ID: 103075 Summary: [12 Regression] ICE in exact_int_to_float_conversion_p, at simplify-rtx.c:905 Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- gcc-12.0.0-alpha20211031 snapshot (g:ca84f39399fda80c770306465276ffd66d3766ed) ICEs when compiling the following testcase w/ -O1 -frounding-math: float foo (void) { return (float) 0x1699925 * 1.1; } % gcc-12.0.0 -O1 -frounding-math -c bohjhgb9.c during RTL pass: combine bohjhgb9.c: In function 'foo': bohjhgb9.c:5:1: internal compiler error: in exact_int_to_float_conversion_p, at simplify-rtx.c:905 5 | } | ^ 0x70c80e exact_int_to_float_conversion_p /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20211031/work/gcc-12-20211031/gcc/simplify-rtx.c:905 0xe75fc9 simplify_context::simplify_unary_operation_1(rtx_code, machine_mode, rtx_def*) /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20211031/work/gcc-12-20211031/gcc/simplify-rtx.c:1348 0x1b438b6 simplify_unary_operation(rtx_code, machine_mode, rtx_def*, machine_mode) /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20211031/work/gcc-12-20211031/gcc/rtl.h:3459 0x1b438b6 combine_simplify_rtx /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20211031/work/gcc-12-20211031/gcc/combine.c:5605 0x1b45f26 subst /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20211031/work/gcc-12-20211031/gcc/combine.c:5545 0x1b45e54 subst /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20211031/work/gcc-12-20211031/gcc/combine.c:5478 0x1b48ffe try_combine /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20211031/work/gcc-12-20211031/gcc/combine.c:3272 0x1b4fa89 combine_instructions /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20211031/work/gcc-12-20211031/gcc/combine.c:1411 0x1b4fa89 rest_of_handle_combine /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20211031/work/gcc-12-20211031/gcc/combine.c:14904 0x1b4fa89 execute /var/tmp/portage/sys-devel/gcc-12.0.0_alpha20211031/work/gcc-12-20211031/gcc/combine.c:14949
next reply other threads:[~2021-11-04 4:19 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-11-04 4:19 asolokha at gmx dot com [this message] 2021-11-04 7:16 ` [Bug rtl-optimization/103075] " pinskia at gcc dot gnu.org 2021-11-04 7:19 ` pinskia at gcc dot gnu.org 2021-11-04 7:54 ` [Bug rtl-optimization/103075] [12 Regression] ICE in exact_int_to_float_conversion_p with -O1 -frounding-math and int to float conversion with multiply rguenth at gcc dot gnu.org 2021-11-04 12:33 ` cvs-commit at gcc dot gnu.org 2021-11-04 12:33 ` rguenth at gcc dot gnu.org
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