84 lines
3.6 KiB
Diff
84 lines
3.6 KiB
Diff
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diff --git openjdk.orig/hotspot/make/linux/makefiles/amd64.make openjdk/hotspot/make/linux/makefiles/amd64.make
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--- openjdk.orig/hotspot/make/linux/makefiles/amd64.make
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+++ openjdk/hotspot/make/linux/makefiles/amd64.make
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@@ -22,10 +22,13 @@
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#
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#
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-# The copied fdlibm routines in sharedRuntimeTrig.o must not be optimized
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-OPT_CFLAGS/sharedRuntimeTrig.o = $(OPT_CFLAGS/NOOPT)
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-# The copied fdlibm routines in sharedRuntimeTrans.o must not be optimized
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-OPT_CFLAGS/sharedRuntimeTrans.o = $(OPT_CFLAGS/NOOPT)
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+ifeq ($(OPT_CFLAGS_NO_FMA),)
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+ OPT_CFLAGS/sharedRuntimeTrig.o = $(OPT_CFLAGS/NOOPT)
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+ OPT_CFLAGS/sharedRuntimeTrans.o = $(OPT_CFLAGS/NOOPT)
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+else
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+ OPT_CFLAGS/sharedRuntimeTrig.o = $(OPT_CFLAGS/SPEED) $(OPT_CFLAGS_NO_FMA)
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+ OPT_CFLAGS/sharedRuntimeTrans.o = $(OPT_CFLAGS/SPEED) $(OPT_CFLAGS_NO_FMA)
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+endif
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# Must also specify if CPU is little endian
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CFLAGS += -DVM_LITTLE_ENDIAN
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diff --git openjdk.orig/hotspot/make/linux/makefiles/gcc.make openjdk/hotspot/make/linux/makefiles/gcc.make
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--- openjdk.orig/hotspot/make/linux/makefiles/gcc.make
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+++ openjdk/hotspot/make/linux/makefiles/gcc.make
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@@ -225,6 +225,16 @@
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OPT_CFLAGS/SIZE=-Os
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OPT_CFLAGS/SPEED=-O3
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+ifeq ($(USE_CLANG),)
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+ # Only GCC 4.6 and better have machine independent -ffp-contract=off.
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+ # For other versions we need to explicitly set arch specific machine
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+ # flags or keep optimization off for them.
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+ ifeq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 6 \) \))" "1"
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+ OPT_CFLAGS_NO_FMA = -ffp-contract=off
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+ endif
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+endif
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+
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+
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# Hotspot uses very unstrict aliasing turn this optimization off
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# This option is added to CFLAGS rather than OPT_CFLAGS
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# so that OPT_CFLAGS overrides get this option too.
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diff --git openjdk.orig/hotspot/make/linux/makefiles/i486.make openjdk/hotspot/make/linux/makefiles/i486.make
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--- openjdk.orig/hotspot/make/linux/makefiles/i486.make
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+++ openjdk/hotspot/make/linux/makefiles/i486.make
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@@ -24,10 +24,13 @@
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# TLS helper, assembled from .s file
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-# The copied fdlibm routines in sharedRuntimeTrig.o must not be optimized
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-OPT_CFLAGS/sharedRuntimeTrig.o = $(OPT_CFLAGS/NOOPT)
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-# The copied fdlibm routines in sharedRuntimeTrans.o must not be optimized
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-OPT_CFLAGS/sharedRuntimeTrans.o = $(OPT_CFLAGS/NOOPT)
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+ifeq ($(OPT_CFLAGS_NO_FMA),)
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+ OPT_CFLAGS/sharedRuntimeTrig.o = $(OPT_CFLAGS/NOOPT)
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+ OPT_CFLAGS/sharedRuntimeTrans.o = $(OPT_CFLAGS/NOOPT)
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+else
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+ OPT_CFLAGS/sharedRuntimeTrig.o = $(OPT_CFLAGS/SPEED) $(OPT_CFLAGS_NO_FMA)
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+ OPT_CFLAGS/sharedRuntimeTrans.o = $(OPT_CFLAGS/SPEED) $(OPT_CFLAGS_NO_FMA)
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+endif
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# Must also specify if CPU is little endian
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CFLAGS += -DVM_LITTLE_ENDIAN
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diff --git openjdk.orig/hotspot/make/linux/makefiles/ppc64.make openjdk/hotspot/make/linux/makefiles/ppc64.make
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--- openjdk.orig/hotspot/make/linux/makefiles/ppc64.make
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+++ openjdk/hotspot/make/linux/makefiles/ppc64.make
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@@ -49,3 +49,17 @@
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# Use Power8, this is the first CPU to support PPC64 LE with ELFv2 ABI.
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CFLAGS += -mcpu=power7 -mtune=power8 -minsert-sched-nops=regroup_exact -mno-multiple -mno-string
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endif
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+
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+ifeq ($(OPT_CFLAGS_NO_FMA),)
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+ ifeq ($(OPENJDK_TARGET_CPU_ENDIAN),big)
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+ OPT_CFLAGS/sharedRuntimeTrig.o = $(OPT_CFLAGS/SPEED) -mno-fused-madd -fno-strict-aliasing
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+ OPT_CFLAGS/sharedRuntimeTrans.o = $(OPT_CFLAGS/SPEED) -mno-fused-madd -fno-strict-aliasing
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+ else
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+ OPT_CFLAGS/sharedRuntimeTrig.o = $(OPT_CFLAGS/NOOPT)
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+ OPT_CFLAGS/sharedRuntimeTrans.o = $(OPT_CFLAGS/NOOPT)
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+ endif
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+else
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+ OPT_CFLAGS/sharedRuntimeTrig.o = $(OPT_CFLAGS/SPEED) $(OPT_CFLAGS_NO_FMA)
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+ OPT_CFLAGS/sharedRuntimeTrans.o = $(OPT_CFLAGS/SPEED) $(OPT_CFLAGS_NO_FMA)
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+endif
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+
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