1# 2# CDDL HEADER START 3# 4# The contents of this file are subject to the terms of the 5# Common Development and Distribution License (the "License"). 6# You may not use this file except in compliance with the License. 7# 8# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9# or http://www.opensolaris.org/os/licensing. 10# See the License for the specific language governing permissions 11# and limitations under the License. 12# 13# When distributing Covered Code, include this CDDL HEADER in each 14# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15# If applicable, add the following below this CDDL HEADER, with the 16# fields enclosed by brackets "[]" replaced with your own identifying 17# information: Portions Copyright [yyyy] [name of copyright owner] 18# 19# CDDL HEADER END 20# 21# 22# Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23# Use is subject to license terms. 24# 25#ident "%Z%%M% %I% %E% SMI" 26# 27# Configuration and targets for bignum module 28# specific to AMD 64-bit architecture, amd64. 29# 30# Bignum configuration (BIGNUM_CFG): 31# PSR_MUL: 32# There is a processor-specific implementation bignum multiply functions 33# HWCAP: 34# There are multiple implementations of bignum functions, and the 35# appropriate one must be chosen at run time, based on testing 36# hardware capabilites. 37# 38# -DPSR_MUL: 39# For AMD64, there is a processor-specific implementation of 40# the bignum multiply functions, which takes advantage of the 41# 64x64->128 bit multiply instruction. 42# 43# -UHWCAP: 44# There is only one implementation, because the 128 bit multiply using 45# general-purpose registers is faster than any MMX or SSE2 implementation. 46 47BIGNUM_CFG = -DPSR_MUL 48 49$(OBJS_DIR)/bignumimpl.o $(LINTS_DIR)/bignumimpl.ln := \ 50 CPPFLAGS += $(BIGNUM_CFG) 51$(OBJS_DIR)/bignum_amd64.o $(LINTS_DIR)/bignum_amd64.ln := \ 52 CPPFLAGS += $(BIGNUM_CFG) 53 54$(OBJS_DIR)/bignum_amd64.o: $(BIGNUMDIR)/amd64/bignum_amd64.c 55 $(COMPILE.c) -o $@ $(BIGNUMDIR)/amd64/bignum_amd64.c 56 $(CTFCONVERT_O) 57 $(POST_PROCESS_O) 58 59$(OBJS_DIR)/bignum_amd64_asm.o: $(BIGNUMDIR)/amd64/bignum_amd64_asm.s 60 $(COMPILE.s) -P -o $@ $(BIGNUM_CFG) $(BIGNUMDIR)/amd64/bignum_amd64_asm.s 61 $(POST_PROCESS_O) 62 63$(LINTS_DIR)/bignum_amd64.ln: $(BIGNUMDIR)/amd64/bignum_amd64.c 64 @($(LHEAD) $(LINT.c) $(BIGNUMDIR)/amd64/bignum_amd64.c $(LTAIL)) 65 66$(LINTS_DIR)/bignum_amd64_asm.ln: $(BIGNUMDIR)/amd64/bignum_amd64_asm.s 67 @($(LHEAD) $(LINT.s) $(BIGNUMDIR)/amd64/bignum_amd64_asm.s $(LTAIL)) 68