Commit 0a4c87a9 authored May 30, 2016 by Andy Polyakov

s390x assembly pack: improve portability.



Some of the instructions used in latest additions are extension
ones. There is no real reason to limit ourselves to specific
processors, so [re-]adhere to base instruction set.

RT#4548

Reviewed-by: Rich Salz <rsalz@openssl.org>

parent 78e91586

crypto/chacha/asm/chacha-s390x.pl

+2 −2

Original line number	Diff line number	Diff line
		@@ -147,7 +147,8 @@ $code.=<<___;
		.type ChaCha20_ctr32,\@function
		.align 32
		ChaCha20_ctr32:
		cl${g}ije $len,0,.Lno_data # $len==0?
		lt${g}r $len,$len # $len==0?
		bzr %r14
		a${g}hi $len,-64
		l${g}hi %r1,-$frame
		stm${g} %r6,%r15,`6*$SIZE_T`($sp)
		@@ -279,7 +280,6 @@ $code.=<<___;
		stmg %r0,%r3,$stdframe+4*12($sp)

		lm${g} %r6,%r15,`$frame+6*$SIZE_T`($sp)
		.Lno_data:
		br %r14

		.align 16

crypto/s390xcpuid.S

+2 −2

Original line number	Diff line number	Diff line
		@@ -143,9 +143,9 @@ CRYPTO_memcmp:
		je .Lno_data

		.Loop_cmp:
		llc %r0,0(%r2)
		llgc %r0,0(%r2)
		la %r2,1(%r2)
		llc %r1,0(%r3)
		llgc %r1,0(%r3)
		la %r3,1(%r3)
		xr %r1,%r0
		or %r5,%r1