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Makefile.vc: add rudimentary avx2 support

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similar to makefile.unix:
> nmake /f Makefile.vc CFG=release-static HAVE_AVX2=1

from the msdn:
The /arch:AVX2 option and __AVX2__ macro were introduced in Visual
Studio 2013 Update 2, version 12.0.34567.1
(Update 2, version 12.0.30501.00 seems to work)

Change-Id: I649ee47c9fdc399fc71a8ac8464728608d9b6412
This commit is contained in:
James Zern 2014-05-23 20:13:01 -07:00
parent a891164398
commit ddfefd624c
1 changed files with 11 additions and 1 deletions
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12
Makefile.vc
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@ -44,6 +44,10 @@ OUTDIR = ..\obj\
OUTDIR = $(OBJDIR)
!ENDIF
!IF "$(HAVE_AVX2)" == "1"
AVX2_FLAGS = /arch:AVX2
!ENDIF
##############################################################
# Runtime library configuration
!IF "$(RTLIBCFG)" == "static"
@ -316,8 +320,14 @@ $(DIROBJ)\$(DLLC): $(DIROBJ)\$(DLLINC)
@echo } >> $@
.SUFFIXES: .c .obj .res .exe
# File-specific flag builds. Note batch rules take precedence over wildcards,
# so for now name each file individually.
$(DIROBJ)\dsp\enc_avx2.obj: src\dsp\enc_avx2.c
$(CC) $(CFLAGS) $(AVX2_FLAGS) /Fd$(LIBWEBP_PDBNAME) /Fo$(DIROBJ)\dsp\ \
src\dsp\$(@B).c
# Batch rules
{examples}.c{$(DIROBJ)\examples}.obj::
$(CC) $(CFLAGS) /Fd$(DIROBJ)\examples\ /Fo$(DIROBJ)\examples\ $<
$(CC) $(CFLAGS) /Fd$(DIROBJ)\examples\ /Fo$(DIROBJ)\examples\ $<
{src\dec}.c{$(DIROBJ)\dec}.obj::
$(CC) $(CFLAGS) /Fd$(LIBWEBP_PDBNAME) /Fo$(DIROBJ)\dec\ $<
{src\demux}.c{$(DIROBJ)\demux}.obj::