powerpc: Fix ffi_go_closure_linux64

Unlike ffi_closure_LINUX64, this entry point is called normally,
so we already have the TOC in R2 and the closure in R11.

	* powerpc/linux64_closure.S (ffi_closure_LINUX64): Remove a
	register dependency chain.
	(ffi_go_closure_linux64): Don't load r11 or r2.
This commit is contained in:
Richard Henderson
2014-11-18 12:56:58 +10:30
committed by Alan Modra
parent fa1040c111
commit 590663b30b

View File

@@ -101,7 +101,7 @@ ffi_closure_LINUX64:
# else # else
# copy r2 to r11 and load TOC into r2 # copy r2 to r11 and load TOC into r2
mr %r11, %r2 mr %r11, %r2
ld %r2, 16(%r11) ld %r2, 16(%r2)
mflr %r0 mflr %r0
# Save general regs into parm save area # Save general regs into parm save area
@@ -444,10 +444,6 @@ ffi_go_closure_linux64:
# load up the pointer to the parm save area # load up the pointer to the parm save area
mr %r7, %r12 mr %r7, %r12
# else # else
# copy r2 to r11 and load TOC into r2
mr %r11, %r2
ld %r2, 16(%r11)
mflr %r0 mflr %r0
# Save general regs into parm save area # Save general regs into parm save area
# This is the parameter save area set up by our caller. # This is the parameter save area set up by our caller.