commit c29bf984dd20431cd4344e8a5c444d7a5be08389 Author: Colin Watson Date: Mon Apr 21 22:26:56 2014 -0500 Bug: https://ghc.haskell.org/trac/ghc/ticket/7942 ghc: initial AArch64 patches Signed-off-by: Austin Seipp Index: ghc-7.8.3/aclocal.m4 =================================================================== --- ghc-7.8.3.orig/aclocal.m4 2014-07-10 10:16:42.533187516 +0200 +++ ghc-7.8.3/aclocal.m4 2014-07-10 10:16:42.529187516 +0200 @@ -197,6 +197,9 @@ GET_ARM_ISA() test -z "[$]2" || eval "[$]2=\"ArchARM {armISA = \$ARM_ISA, armISAExt = \$ARM_ISA_EXT, armABI = \$ARM_ABI}\"" ;; + aarch64) + test -z "[$]2" || eval "[$]2=ArchARM64" + ;; alpha) test -z "[$]2" || eval "[$]2=ArchAlpha" ;; @@ -1862,6 +1865,9 @@ # converts cpu from gnu to ghc naming, and assigns the result to $target_var AC_DEFUN([GHC_CONVERT_CPU],[ case "$1" in + aarch64*) + $2="aarch64" + ;; alpha*) $2="alpha" ;; Index: ghc-7.8.3/compiler/nativeGen/AsmCodeGen.lhs =================================================================== --- ghc-7.8.3.orig/compiler/nativeGen/AsmCodeGen.lhs 2014-07-10 10:16:42.533187516 +0200 +++ ghc-7.8.3/compiler/nativeGen/AsmCodeGen.lhs 2014-07-10 10:16:42.529187516 +0200 @@ -166,6 +166,7 @@ ArchPPC -> nCG' (ppcNcgImpl dflags) ArchSPARC -> nCG' (sparcNcgImpl dflags) ArchARM {} -> panic "nativeCodeGen: No NCG for ARM" + ArchARM64 -> panic "nativeCodeGen: No NCG for ARM64" ArchPPC_64 -> panic "nativeCodeGen: No NCG for PPC 64" ArchAlpha -> panic "nativeCodeGen: No NCG for Alpha" ArchMipseb -> panic "nativeCodeGen: No NCG for mipseb" Index: ghc-7.8.3/compiler/nativeGen/RegAlloc/Graph/TrivColorable.hs =================================================================== --- ghc-7.8.3.orig/compiler/nativeGen/RegAlloc/Graph/TrivColorable.hs 2014-07-10 10:16:42.533187516 +0200 +++ ghc-7.8.3/compiler/nativeGen/RegAlloc/Graph/TrivColorable.hs 2014-07-10 10:16:42.529187516 +0200 @@ -113,6 +113,7 @@ ArchSPARC -> 14 ArchPPC_64 -> panic "trivColorable ArchPPC_64" ArchARM _ _ _ -> panic "trivColorable ArchARM" + ArchARM64 -> panic "trivColorable ArchARM64" ArchAlpha -> panic "trivColorable ArchAlpha" ArchMipseb -> panic "trivColorable ArchMipseb" ArchMipsel -> panic "trivColorable ArchMipsel" @@ -137,6 +138,7 @@ ArchSPARC -> 22 ArchPPC_64 -> panic "trivColorable ArchPPC_64" ArchARM _ _ _ -> panic "trivColorable ArchARM" + ArchARM64 -> panic "trivColorable ArchARM64" ArchAlpha -> panic "trivColorable ArchAlpha" ArchMipseb -> panic "trivColorable ArchMipseb" ArchMipsel -> panic "trivColorable ArchMipsel" @@ -161,6 +163,7 @@ ArchSPARC -> 11 ArchPPC_64 -> panic "trivColorable ArchPPC_64" ArchARM _ _ _ -> panic "trivColorable ArchARM" + ArchARM64 -> panic "trivColorable ArchARM64" ArchAlpha -> panic "trivColorable ArchAlpha" ArchMipseb -> panic "trivColorable ArchMipseb" ArchMipsel -> panic "trivColorable ArchMipsel" @@ -185,6 +188,7 @@ ArchSPARC -> 0 ArchPPC_64 -> panic "trivColorable ArchPPC_64" ArchARM _ _ _ -> panic "trivColorable ArchARM" + ArchARM64 -> panic "trivColorable ArchARM64" ArchAlpha -> panic "trivColorable ArchAlpha" ArchMipseb -> panic "trivColorable ArchMipseb" ArchMipsel -> panic "trivColorable ArchMipsel" Index: ghc-7.8.3/compiler/nativeGen/RegAlloc/Linear/FreeRegs.hs =================================================================== --- ghc-7.8.3.orig/compiler/nativeGen/RegAlloc/Linear/FreeRegs.hs 2014-07-10 10:16:42.533187516 +0200 +++ ghc-7.8.3/compiler/nativeGen/RegAlloc/Linear/FreeRegs.hs 2014-07-10 10:16:42.529187516 +0200 @@ -74,6 +74,7 @@ ArchPPC -> PPC.Instr.maxSpillSlots dflags ArchSPARC -> SPARC.Instr.maxSpillSlots dflags ArchARM _ _ _ -> panic "maxSpillSlots ArchARM" + ArchARM64 -> panic "maxSpillSlots ArchARM64" ArchPPC_64 -> panic "maxSpillSlots ArchPPC_64" ArchAlpha -> panic "maxSpillSlots ArchAlpha" ArchMipseb -> panic "maxSpillSlots ArchMipseb" Index: ghc-7.8.4/compiler/nativeGen/RegAlloc/Linear/Main.hs =================================================================== --- ghc-7.8.4/compiler/nativeGen/RegAlloc/Linear/Main.hs.orig 2015-02-07 18:19:27.364827776 +0100 +++ ghc-7.8.4/compiler/nativeGen/RegAlloc/Linear/Main.hs 2015-02-07 18:20:46.813771354 +0100 @@ -207,6 +207,7 @@ ArchSPARC -> linearRegAlloc' dflags (frInitFreeRegs platform :: SPARC.FreeRegs) entry_ids block_live sccs ArchPPC -> linearRegAlloc' dflags (frInitFreeRegs platform :: PPC.FreeRegs) entry_ids block_live sccs ArchARM _ _ _ -> panic "linearRegAlloc ArchARM" + ArchARM64 -> panic "linearRegAlloc ArchARM64" ArchPPC_64 -> panic "linearRegAlloc ArchPPC_64" ArchAlpha -> panic "linearRegAlloc ArchAlpha" ArchMipseb -> panic "linearRegAlloc ArchMipseb" Index: ghc-7.8.3/compiler/nativeGen/TargetReg.hs =================================================================== --- ghc-7.8.3.orig/compiler/nativeGen/TargetReg.hs 2014-07-10 10:16:42.533187516 +0200 +++ ghc-7.8.3/compiler/nativeGen/TargetReg.hs 2014-07-10 10:16:42.529187516 +0200 @@ -54,6 +54,7 @@ ArchSPARC -> SPARC.virtualRegSqueeze ArchPPC_64 -> panic "targetVirtualRegSqueeze ArchPPC_64" ArchARM _ _ _ -> panic "targetVirtualRegSqueeze ArchARM" + ArchARM64 -> panic "targetVirtualRegSqueeze ArchARM64" ArchAlpha -> panic "targetVirtualRegSqueeze ArchAlpha" ArchMipseb -> panic "targetVirtualRegSqueeze ArchMipseb" ArchMipsel -> panic "targetVirtualRegSqueeze ArchMipsel" @@ -70,6 +71,7 @@ ArchSPARC -> SPARC.realRegSqueeze ArchPPC_64 -> panic "targetRealRegSqueeze ArchPPC_64" ArchARM _ _ _ -> panic "targetRealRegSqueeze ArchARM" + ArchARM64 -> panic "targetRealRegSqueeze ArchARM64" ArchAlpha -> panic "targetRealRegSqueeze ArchAlpha" ArchMipseb -> panic "targetRealRegSqueeze ArchMipseb" ArchMipsel -> panic "targetRealRegSqueeze ArchMipsel" @@ -85,6 +87,7 @@ ArchSPARC -> SPARC.classOfRealReg ArchPPC_64 -> panic "targetClassOfRealReg ArchPPC_64" ArchARM _ _ _ -> panic "targetClassOfRealReg ArchARM" + ArchARM64 -> panic "targetClassOfRealReg ArchARM64" ArchAlpha -> panic "targetClassOfRealReg ArchAlpha" ArchMipseb -> panic "targetClassOfRealReg ArchMipseb" ArchMipsel -> panic "targetClassOfRealReg ArchMipsel" @@ -100,6 +103,7 @@ ArchSPARC -> SPARC.mkVirtualReg ArchPPC_64 -> panic "targetMkVirtualReg ArchPPC_64" ArchARM _ _ _ -> panic "targetMkVirtualReg ArchARM" + ArchARM64 -> panic "targetMkVirtualReg ArchARM64" ArchAlpha -> panic "targetMkVirtualReg ArchAlpha" ArchMipseb -> panic "targetMkVirtualReg ArchMipseb" ArchMipsel -> panic "targetMkVirtualReg ArchMipsel" @@ -115,6 +119,7 @@ ArchSPARC -> SPARC.regDotColor ArchPPC_64 -> panic "targetRegDotColor ArchPPC_64" ArchARM _ _ _ -> panic "targetRegDotColor ArchARM" + ArchARM64 -> panic "targetRegDotColor ArchARM64" ArchAlpha -> panic "targetRegDotColor ArchAlpha" ArchMipseb -> panic "targetRegDotColor ArchMipseb" ArchMipsel -> panic "targetRegDotColor ArchMipsel" Index: ghc-7.8.3/compiler/utils/Platform.hs =================================================================== --- ghc-7.8.3.orig/compiler/utils/Platform.hs 2014-07-10 10:16:42.533187516 +0200 +++ ghc-7.8.3/compiler/utils/Platform.hs 2014-07-10 10:16:42.529187516 +0200 @@ -52,6 +52,7 @@ , armISAExt :: [ArmISAExt] , armABI :: ArmABI } + | ArchARM64 | ArchAlpha | ArchMipseb | ArchMipsel Index: ghc-7.8.3/includes/stg/HaskellMachRegs.h =================================================================== --- ghc-7.8.3.orig/includes/stg/HaskellMachRegs.h 2014-07-10 10:16:42.533187516 +0200 +++ ghc-7.8.3/includes/stg/HaskellMachRegs.h 2014-07-10 10:16:42.533187516 +0200 @@ -38,6 +38,7 @@ #define MACHREGS_powerpc (powerpc_TARGET_ARCH || powerpc64_TARGET_ARCH || rs6000_TARGET_ARCH) #define MACHREGS_sparc sparc_TARGET_ARCH #define MACHREGS_arm arm_TARGET_ARCH +#define MACHREGS_aarch64 aarch64_TARGET_ARCH #define MACHREGS_darwin darwin_TARGET_OS #endif Index: ghc-7.8.3/includes/stg/MachRegs.h =================================================================== --- ghc-7.8.3.orig/includes/stg/MachRegs.h 2014-07-10 10:16:42.533187516 +0200 +++ ghc-7.8.3/includes/stg/MachRegs.h 2014-07-10 10:16:42.533187516 +0200 @@ -1,6 +1,6 @@ /* ----------------------------------------------------------------------------- * - * (c) The GHC Team, 1998-2011 + * (c) The GHC Team, 1998-2014 * * Registers used in STG code. Might or might not correspond to * actual machine registers. @@ -531,6 +531,61 @@ #define REG_D2 d11 #endif +/* ----------------------------------------------------------------------------- + The ARMv8/AArch64 ABI register mapping + + The AArch64 provides 31 64-bit general purpose registers + and 32 128-bit SIMD/floating point registers. + + General purpose registers (see Chapter 5.1.1 in ARM IHI 0055B) + + Register | Special | Role in the procedure call standard + ---------+---------+------------------------------------ + SP | | The Stack Pointer + r30 | LR | The Link Register + r29 | FP | The Frame Pointer + r19-r28 | | Callee-saved registers + r18 | | The Platform Register, if needed; + | | or temporary register + r17 | IP1 | The second intra-procedure-call temporary register + r16 | IP0 | The first intra-procedure-call scratch register + r9-r15 | | Temporary registers + r8 | | Indirect result location register + r0-r7 | | Parameter/result registers + + + FPU/SIMD registers + + s/d/q/v0-v7 Argument / result/ scratch registers + s/d/q/v8-v15 callee-saved registers (must be preserved across subrutine calls, + but only bottom 64-bit value needs to be preserved) + s/d/q/v16-v31 temporary registers + + ----------------------------------------------------------------------------- */ + +#elif MACHREGS_aarch64 + +#define REG(x) __asm__(#x) + +#define REG_Base r19 +#define REG_Sp r20 +#define REG_Hp r21 +#define REG_R1 r22 +#define REG_R2 r23 +#define REG_R3 r24 +#define REG_R4 r25 +#define REG_R5 r26 +#define REG_R6 r27 +#define REG_SpLim r28 + +#define REG_F1 s8 +#define REG_F2 s9 +#define REG_F3 s10 +#define REG_F4 s11 + +#define REG_D1 d12 +#define REG_D2 d13 + #else #error Cannot find platform to give register info for Index: ghc-7.8.3/rts/StgCRun.c =================================================================== --- ghc-7.8.3.orig/rts/StgCRun.c 2014-07-10 10:16:42.533187516 +0200 +++ ghc-7.8.3/rts/StgCRun.c 2014-07-10 10:16:42.533187516 +0200 @@ -748,4 +748,70 @@ } #endif +#ifdef aarch64_HOST_ARCH + +StgRegTable * +StgRun(StgFunPtr f, StgRegTable *basereg) { + StgRegTable * r; + __asm__ volatile ( + /* + * save callee-saves registers on behalf of the STG code. + */ + "stp x19, x20, [sp, #-16]!\n\t" + "stp x21, x22, [sp, #-16]!\n\t" + "stp x23, x24, [sp, #-16]!\n\t" + "stp x25, x26, [sp, #-16]!\n\t" + "stp x27, x28, [sp, #-16]!\n\t" + "stp ip0, ip1, [sp, #-16]!\n\t" + "str lr, [sp, #-8]!\n\t" + + /* + * allocate some space for Stg machine's temporary storage. + * Note: RESERVER_C_STACK_BYTES has to be a round number here or + * the assembler can't assemble it. + */ + "str lr, [sp, %3]" + /* "sub sp, sp, %3\n\t" */ + /* + * Set BaseReg + */ + "mov x19, %2\n\t" + /* + * Jump to function argument. + */ + "bx %1\n\t" + + ".globl " STG_RETURN "\n\t" + ".type " STG_RETURN ", %%function\n" + STG_RETURN ":\n\t" + /* + * Free the space we allocated + */ + "ldr lr, [sp], %3\n\t" + /* "add sp, sp, %3\n\t" */ + /* + * Return the new register table, taking it from Stg's R1 (ARM64's R22). + */ + "mov %0, x22\n\t" + /* + * restore callee-saves registers. + */ + "ldr lr, [sp], #8\n\t" + "ldp ip0, ip1, [sp], #16\n\t" + "ldp x27, x28, [sp], #16\n\t" + "ldp x25, x26, [sp], #16\n\t" + "ldp x23, x24, [sp], #16\n\t" + "ldp x21, x22, [sp], #16\n\t" + "ldp x19, x20, [sp], #16\n\t" + + : "=r" (r) + : "r" (f), "r" (basereg), "i" (RESERVED_C_STACK_BYTES) + : "%x19", "%x20", "%x21", "%x22", "%x23", "%x24", "%x25", "%x26", "%x27", "%x28", + "%ip0", "%ip1", "%lr" + ); + return r; +} + +#endif + #endif /* !USE_MINIINTERPRETER */