From 682a45fc0d8ce0fca037ec8658cc259d0eda1f86 Mon Sep 17 00:00:00 2001 From: Hans-Peter Nilsson Date: Mon, 8 Mar 2004 00:38:31 +0000 Subject: [PATCH] re PR target/14471 (Workaround for errata regarding multiplication bug) PR target/14471 * configure.ac (Target-specific assembler checks) : New case, checking for -no-mul-bug-abort option. * configure, config.in: Regenerate. * doc/invoke.texi (CRIS Options): Document -mmul-bug-workaround and -mno-mul-bug-workaround. * config/cris/cris.md ("smulsi3_highpart", "umulsi3_highpart") ("mulsidi3", "umulsidi3"): Prefix output template with "%!". ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3"): Ditto. Make attribute "slottable" dependent on TARGET_MUL_BUG. * config/cris/mulsi3.asm (__Mul) [__CRIS_arch_version >= 10]: Make sure mulu.d is not last on cache-line. * config/cris/cris.h (ASM_SPEC): Translate -mno-mul-bug-workaround into -no-mul-bug-abort depending on HAVE_AS_MUL_BUG_ABORT_OPTION. (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG): New macros. (TARGET_SWITCHES): New options -mmul-bug-workaround and -mno-mul-bug-workaround. (TARGET_DEFAULT): Include TARGET_MASK_MUL_BUG. (PRINT_OPERAND_PUNCT_VALID_P): Include '!'. * config/cris/cris.c (cris_operand_extend_operator): Clarify relation to MULT in head comment. (cris_op_str): Abort for MULT. (cris_print_operand) : New case. From-SVN: r79086 --- gcc/configure.ac | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/gcc/configure.ac b/gcc/configure.ac index ca329794e69..c60dbf024f6 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -2357,6 +2357,14 @@ case "$target" in [Define if your assembler supports explicit relocations.])]) ;; + cris-*-*) + gcc_GAS_CHECK_FEATURE([-no-mul-bug-abort option], + gcc_cv_as_cris_no_mul_bug,[2,15,91], + [-no-mul-bug-abort], [.text],, + [AC_DEFINE(HAVE_AS_NO_MUL_BUG_ABORT_OPTION, 1, + [Define if your assembler supports the -no-mul-bug-abort option.])]) + ;; + sparc*-*-*) gcc_GAS_CHECK_FEATURE([.register], gcc_cv_as_sparc_register_op,,, [.register %g2, #scratch],, -- 2.30.2