diff --git a/src/runtime/asm_ppc64x.s b/src/runtime/asm_ppc64x.s
index fc70fa82046..3fbf11b5e9a 100644
--- a/src/runtime/asm_ppc64x.s
+++ b/src/runtime/asm_ppc64x.s
@@ -9,6 +9,63 @@
 #include "funcdata.h"
 #include "textflag.h"
 #include "asm_ppc64x.h"
+#include "cgo/abi_ppc64x.h"
+
+
+TEXT _rt0_ppc64x_lib(SB),NOSPLIT|NOFRAME,$0
+	// This is called with ELFv2 calling conventions. Convert to Go.
+	// Allocate argument storage for call to newosproc0.
+	STACK_AND_SAVE_HOST_TO_GO_ABI(16)
+
+	MOVD	R3, _rt0_ppc64x_lib_argc<>(SB)
+	MOVD	R4, _rt0_ppc64x_lib_argv<>(SB)
+
+	// Synchronous initialization.
+	MOVD	$runtime·libpreinit(SB), R12
+	MOVD	R12, CTR
+	BL	(CTR)
+
+	// Create a new thread to do the runtime initialization and return.
+	MOVD	_cgo_sys_thread_create(SB), R12
+	CMP	$0, R12
+	BEQ	nocgo
+	MOVD	$_rt0_ppc64x_lib_go(SB), R3
+	MOVD	$0, R4
+	MOVD	R12, CTR
+	BL	(CTR)
+	BR	done
+
+nocgo:
+	MOVD	$0x800000, R12                     // stacksize = 8192KB
+	MOVD	R12, 8+FIXED_FRAME(R1)
+	MOVD	$_rt0_ppc64x_lib_go(SB), R12
+	MOVD	R12, 16+FIXED_FRAME(R1)
+	MOVD	$runtime·newosproc0(SB),R12
+	MOVD	R12, CTR
+	BL	(CTR)
+
+done:
+	// Restore and return to ELFv2 caller.
+	UNSTACK_AND_RESTORE_GO_TO_HOST_ABI(16)
+	RET
+
+#ifdef GO_PPC64X_HAS_FUNCDESC
+DEFINE_PPC64X_FUNCDESC(_rt0_ppc64x_lib_go, __rt0_ppc64x_lib_go)
+TEXT __rt0_ppc64x_lib_go(SB),NOSPLIT,$0
+#else
+TEXT _rt0_ppc64x_lib_go(SB),NOSPLIT,$0
+#endif
+	MOVD	_rt0_ppc64x_lib_argc<>(SB), R3
+	MOVD	_rt0_ppc64x_lib_argv<>(SB), R4
+	MOVD	$runtime·rt0_go(SB), R12
+	MOVD	R12, CTR
+	BR	(CTR)
+
+DATA _rt0_ppc64x_lib_argc<>(SB)/8, $0
+GLOBL _rt0_ppc64x_lib_argc<>(SB),NOPTR, $8
+DATA _rt0_ppc64x_lib_argv<>(SB)/8, $0
+GLOBL _rt0_ppc64x_lib_argv<>(SB),NOPTR, $8
+
 
 #ifdef GOOS_aix
 #define cgoCalleeStackSize 48
diff --git a/src/runtime/rt0_aix_ppc64.s b/src/runtime/rt0_aix_ppc64.s
index 74c57bb1dc9..32f8c72156c 100644
--- a/src/runtime/rt0_aix_ppc64.s
+++ b/src/runtime/rt0_aix_ppc64.s
@@ -41,152 +41,5 @@ TEXT _main(SB),NOSPLIT,$-8
 	MOVD R12, CTR
 	BR (CTR)
 
-// Paramater save space required to cross-call into _cgo_sys_thread_create
-#define PARAM_SPACE 16
-
-TEXT _rt0_ppc64_aix_lib(SB),NOSPLIT,$-8
-	// Start with standard C stack frame layout and linkage.
-	MOVD	LR, R0
-	MOVD	R0, 16(R1) // Save LR in caller's frame.
-	MOVW	CR, R0	   // Save CR in caller's frame
-	MOVD	R0, 8(R1)
-
-	MOVDU	R1, -344-PARAM_SPACE(R1) // Allocate frame.
-
-	// Preserve callee-save registers.
-	MOVD	R14, 48+PARAM_SPACE(R1)
-	MOVD	R15, 56+PARAM_SPACE(R1)
-	MOVD	R16, 64+PARAM_SPACE(R1)
-	MOVD	R17, 72+PARAM_SPACE(R1)
-	MOVD	R18, 80+PARAM_SPACE(R1)
-	MOVD	R19, 88+PARAM_SPACE(R1)
-	MOVD	R20, 96+PARAM_SPACE(R1)
-	MOVD	R21,104+PARAM_SPACE(R1)
-	MOVD	R22, 112+PARAM_SPACE(R1)
-	MOVD	R23, 120+PARAM_SPACE(R1)
-	MOVD	R24, 128+PARAM_SPACE(R1)
-	MOVD	R25, 136+PARAM_SPACE(R1)
-	MOVD	R26, 144+PARAM_SPACE(R1)
-	MOVD	R27, 152+PARAM_SPACE(R1)
-	MOVD	R28, 160+PARAM_SPACE(R1)
-	MOVD	R29, 168+PARAM_SPACE(R1)
-	MOVD	g, 176+PARAM_SPACE(R1) // R30
-	MOVD	R31, 184+PARAM_SPACE(R1)
-	FMOVD	F14, 192+PARAM_SPACE(R1)
-	FMOVD	F15, 200+PARAM_SPACE(R1)
-	FMOVD	F16, 208+PARAM_SPACE(R1)
-	FMOVD	F17, 216+PARAM_SPACE(R1)
-	FMOVD	F18, 224+PARAM_SPACE(R1)
-	FMOVD	F19, 232+PARAM_SPACE(R1)
-	FMOVD	F20, 240+PARAM_SPACE(R1)
-	FMOVD	F21, 248+PARAM_SPACE(R1)
-	FMOVD	F22, 256+PARAM_SPACE(R1)
-	FMOVD	F23, 264+PARAM_SPACE(R1)
-	FMOVD	F24, 272+PARAM_SPACE(R1)
-	FMOVD	F25, 280+PARAM_SPACE(R1)
-	FMOVD	F26, 288+PARAM_SPACE(R1)
-	FMOVD	F27, 296+PARAM_SPACE(R1)
-	FMOVD	F28, 304+PARAM_SPACE(R1)
-	FMOVD	F29, 312+PARAM_SPACE(R1)
-	FMOVD	F30, 320+PARAM_SPACE(R1)
-	FMOVD	F31, 328+PARAM_SPACE(R1)
-
-	// Synchronous initialization.
-	MOVD	$runtime·reginit(SB), R12
-	MOVD	R12, CTR
-	BL	(CTR)
-
-	MOVBZ	runtime·isarchive(SB), R3	// Check buildmode = c-archive
-	CMP		$0, R3
-	BEQ		done
-
-	MOVD	R14, _rt0_ppc64_aix_lib_argc<>(SB)
-	MOVD	R15, _rt0_ppc64_aix_lib_argv<>(SB)
-
-	MOVD	$runtime·libpreinit(SB), R12
-	MOVD	R12, CTR
-	BL	(CTR)
-
-	// Create a new thread to do the runtime initialization and return.
-	MOVD	_cgo_sys_thread_create(SB), R12
-	CMP	$0, R12
-	BEQ	nocgo
-	MOVD	$_rt0_ppc64_aix_lib_go(SB), R3
-	MOVD	$0, R4
-	MOVD	R2, 40(R1)
-	MOVD	8(R12), R2
-	MOVD	(R12), R12
-	MOVD	R12, CTR
-	BL	(CTR)
-	MOVD	40(R1), R2
-	BR	done
-
-nocgo:
-	MOVD	$0x800000, R12					   // stacksize = 8192KB
-	MOVD	R12, 8(R1)
-	MOVD	$_rt0_ppc64_aix_lib_go(SB), R12
-	MOVD	R12, 16(R1)
-	MOVD	$runtime·newosproc0(SB),R12
-	MOVD	R12, CTR
-	BL	(CTR)
-
-done:
-	// Restore saved registers.
-	MOVD	48+PARAM_SPACE(R1), R14
-	MOVD	56+PARAM_SPACE(R1), R15
-	MOVD	64+PARAM_SPACE(R1), R16
-	MOVD	72+PARAM_SPACE(R1), R17
-	MOVD	80+PARAM_SPACE(R1), R18
-	MOVD	88+PARAM_SPACE(R1), R19
-	MOVD	96+PARAM_SPACE(R1), R20
-	MOVD	104+PARAM_SPACE(R1), R21
-	MOVD	112+PARAM_SPACE(R1), R22
-	MOVD	120+PARAM_SPACE(R1), R23
-	MOVD	128+PARAM_SPACE(R1), R24
-	MOVD	136+PARAM_SPACE(R1), R25
-	MOVD	144+PARAM_SPACE(R1), R26
-	MOVD	152+PARAM_SPACE(R1), R27
-	MOVD	160+PARAM_SPACE(R1), R28
-	MOVD	168+PARAM_SPACE(R1), R29
-	MOVD	176+PARAM_SPACE(R1), g // R30
-	MOVD	184+PARAM_SPACE(R1), R31
-	FMOVD	196+PARAM_SPACE(R1), F14
-	FMOVD	200+PARAM_SPACE(R1), F15
-	FMOVD	208+PARAM_SPACE(R1), F16
-	FMOVD	216+PARAM_SPACE(R1), F17
-	FMOVD	224+PARAM_SPACE(R1), F18
-	FMOVD	232+PARAM_SPACE(R1), F19
-	FMOVD	240+PARAM_SPACE(R1), F20
-	FMOVD	248+PARAM_SPACE(R1), F21
-	FMOVD	256+PARAM_SPACE(R1), F22
-	FMOVD	264+PARAM_SPACE(R1), F23
-	FMOVD	272+PARAM_SPACE(R1), F24
-	FMOVD	280+PARAM_SPACE(R1), F25
-	FMOVD	288+PARAM_SPACE(R1), F26
-	FMOVD	296+PARAM_SPACE(R1), F27
-	FMOVD	304+PARAM_SPACE(R1), F28
-	FMOVD	312+PARAM_SPACE(R1), F29
-	FMOVD	320+PARAM_SPACE(R1), F30
-	FMOVD	328+PARAM_SPACE(R1), F31
-
-	ADD	$344+PARAM_SPACE, R1
-
-	MOVD	8(R1), R0
-	MOVFL	R0, $0xff
-	MOVD	16(R1), R0
-	MOVD	R0, LR
-	RET
-
-DEFINE_PPC64X_FUNCDESC(_rt0_ppc64_aix_lib_go, __rt0_ppc64_aix_lib_go)
-
-TEXT __rt0_ppc64_aix_lib_go(SB),NOSPLIT,$0
-	MOVD	_rt0_ppc64_aix_lib_argc<>(SB), R3
-	MOVD	_rt0_ppc64_aix_lib_argv<>(SB), R4
-	MOVD	$runtime·rt0_go(SB), R12
-	MOVD	R12, CTR
-	BR	(CTR)
-
-DATA _rt0_ppc64_aix_lib_argc<>(SB)/8, $0
-GLOBL _rt0_ppc64_aix_lib_argc<>(SB),NOPTR, $8
-DATA _rt0_ppc64_aix_lib_argv<>(SB)/8, $0
-GLOBL _rt0_ppc64_aix_lib_argv<>(SB),NOPTR, $8
+TEXT _rt0_ppc64_aix_lib(SB),NOSPLIT,$0
+	JMP _rt0_ppc64x_lib(SB)
diff --git a/src/runtime/rt0_linux_ppc64le.s b/src/runtime/rt0_linux_ppc64le.s
index 4b7d8e1b940..3a6e8863b2d 100644
--- a/src/runtime/rt0_linux_ppc64le.s
+++ b/src/runtime/rt0_linux_ppc64le.s
@@ -5,60 +5,13 @@
 #include "go_asm.h"
 #include "textflag.h"
 #include "asm_ppc64x.h"
-#include "cgo/abi_ppc64x.h"
 
 TEXT _rt0_ppc64le_linux(SB),NOSPLIT,$0
 	XOR R0, R0	  // Make sure R0 is zero before _main
 	BR _main<>(SB)
 
 TEXT _rt0_ppc64le_linux_lib(SB),NOSPLIT|NOFRAME,$0
-	// This is called with ELFv2 calling conventions. Convert to Go.
-	// Allocate argument storage for call to newosproc0.
-	STACK_AND_SAVE_HOST_TO_GO_ABI(16)
-
-	MOVD	R3, _rt0_ppc64le_linux_lib_argc<>(SB)
-	MOVD	R4, _rt0_ppc64le_linux_lib_argv<>(SB)
-
-	// Synchronous initialization.
-	MOVD	$runtime·libpreinit(SB), R12
-	MOVD	R12, CTR
-	BL	(CTR)
-
-	// Create a new thread to do the runtime initialization and return.
-	MOVD	_cgo_sys_thread_create(SB), R12
-	CMP	$0, R12
-	BEQ	nocgo
-	MOVD	$_rt0_ppc64le_linux_lib_go(SB), R3
-	MOVD	$0, R4
-	MOVD	R12, CTR
-	BL	(CTR)
-	BR	done
-
-nocgo:
-	MOVD	$0x800000, R12                     // stacksize = 8192KB
-	MOVD	R12, 8+FIXED_FRAME(R1)
-	MOVD	$_rt0_ppc64le_linux_lib_go(SB), R12
-	MOVD	R12, 16+FIXED_FRAME(R1)
-	MOVD	$runtime·newosproc0(SB),R12
-	MOVD	R12, CTR
-	BL	(CTR)
-
-done:
-	// Restore and return to ELFv2 caller.
-	UNSTACK_AND_RESTORE_GO_TO_HOST_ABI(16)
-	RET
-
-TEXT _rt0_ppc64le_linux_lib_go(SB),NOSPLIT,$0
-	MOVD	_rt0_ppc64le_linux_lib_argc<>(SB), R3
-	MOVD	_rt0_ppc64le_linux_lib_argv<>(SB), R4
-	MOVD	$runtime·rt0_go(SB), R12
-	MOVD	R12, CTR
-	BR	(CTR)
-
-DATA _rt0_ppc64le_linux_lib_argc<>(SB)/8, $0
-GLOBL _rt0_ppc64le_linux_lib_argc<>(SB),NOPTR, $8
-DATA _rt0_ppc64le_linux_lib_argv<>(SB)/8, $0
-GLOBL _rt0_ppc64le_linux_lib_argv<>(SB),NOPTR, $8
+	JMP _rt0_ppc64x_lib(SB)
 
 TEXT _main<>(SB),NOSPLIT,$-8
 	// In a statically linked binary, the stack contains argc,