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Merge pull request #1587 from davidgfnet/master 

Minor improvements for ARMv8
This commit is contained in:
David G. F 2019-05-09 18:45:30 +02:00 committed by GitHub
parent 15c7e982ca 5ba56627a9
commit 1b89fcd5ba
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 15 additions and 2 deletions
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7
core/rec-ARM64/rec_arm64.cpp
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@ -1420,9 +1420,12 @@ private:
std::vector<const VRegister*> call_fregs; std::vector<const VRegister*> call_fregs;
Arm64RegAlloc regalloc; Arm64RegAlloc regalloc;
RuntimeBlockInfo* block; RuntimeBlockInfo* block;
const int write_memory_rewrite_size = 3; // same size (fast write) for any size: add, bfc, str
#ifdef EXPLODE_SPANS
const int read_memory_rewrite_size = 6; // worst case for u64: add, bfc, ldr, fmov, lsr, fmov const int read_memory_rewrite_size = 6; // worst case for u64: add, bfc, ldr, fmov, lsr, fmov
// FIXME rewrite size per read/write size? #else
const int write_memory_rewrite_size = 3; const int read_memory_rewrite_size = 4; // worst case for u64: add, bfc, ldr, str
#endif
}; };
static Arm64Assembler* compiler; static Arm64Assembler* compiler;

10
shell/linux/Makefile
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@ -46,6 +46,7 @@ ifeq (,$(platform))
else ifeq ($(ARCH), $(filter $(ARCH), x86_64 AMD64 amd64)) else ifeq ($(ARCH), $(filter $(ARCH), x86_64 AMD64 amd64))
platform = x64 platform = x64
else ifneq (,$(findstring aarch64,$(ARCH))) else ifneq (,$(findstring aarch64,$(ARCH)))
platform = arm64
HARDWARE = $(shell grep Hardware /proc/cpuinfo) HARDWARE = $(shell grep Hardware /proc/cpuinfo)
ifneq (,$(findstring Vero4K,$(HARDWARE))) ifneq (,$(findstring Vero4K,$(HARDWARE)))
platform = vero4k platform = vero4k
@ -123,6 +124,15 @@ else ifneq (,$(findstring x64,$(platform)))
HAS_SOFTREND := 1 HAS_SOFTREND := 1
endif endif
# Generic 64 bit ARM (armv8) Linux
else ifneq (,$(findstring arm64,$(platform)))
NOT_ARM := 1
USE_X11 := 1
ARM64_REC := 1
ISARM64 := 1
CFLAGS += -D TARGET_LINUX_ARMv8 -D TARGET_NO_AREC -fno-builtin-sqrtf
CXXFLAGS += -fexceptions
# Generic 32 bit ARMhf (a.k.a. ARMv7h) # Generic 32 bit ARMhf (a.k.a. ARMv7h)
else ifneq (,$(findstring armv7h,$(platform))) else ifneq (,$(findstring armv7h,$(platform)))
MFLAGS += -marm -mfloat-abi=hard -march=armv7-a -funroll-loops MFLAGS += -marm -mfloat-abi=hard -march=armv7-a -funroll-loops