Commit 53718107 authored by Andy Polyakov's avatar Andy Polyakov
Browse files

sha/asm/keccak1600-armv4.pl: optimization based on profiler feedback.



Reviewed-by: default avatarRich Salz <rsalz@openssl.org>
parent aabfd329
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+80 −80
Original line number Diff line number Diff line
@@ -146,72 +146,72 @@ KeccakF1600:

	ldr	@C[8],[sp,#$A[3][0]]
	ldr	@C[9],[sp,#$A[3][0]+4]
	ldr	@C[6],[sp,#$A[0][1]]
	ldr	@C[7],[sp,#$A[0][1]+4]
	eor	@C[8],@C[8],@C[0]
	eor	@C[9],@C[9],@C[1]
	str	@C[8],[sp,#$T[0][0]]		@ T[0][0] = A[3][0] ^ C[0]; /* borrow T[0][0] */
	ldr	@C[8],[sp,#$A[0][2]]
	str	@C[9],[sp,#$T[0][0]+4]
	ldr	@C[6],[sp,#$A[0][1]]
	ldr	@C[7],[sp,#$A[0][1]+4]
	ldr	@C[9],[sp,#$A[0][2]+4]
	eor	@C[6],@C[6],@E[0]
	eor	@C[7],@C[7],@E[1]
	str	@C[6],[sp,#$T[0][1]]		@ T[0][1] = A[0][1] ^ E[0]; /* D[1] */
	ldr	@C[6],[sp,#$A[0][3]]
	str	@C[7],[sp,#$T[0][1]+4]
	ldr	@C[8],[sp,#$A[0][2]]
	ldr	@C[9],[sp,#$A[0][2]+4]
	ldr	@C[7],[sp,#$A[0][3]+4]
	eor	@C[8],@C[8],@C[2]
	eor	@C[9],@C[9],@C[3]
	str	@C[8],[sp,#$T[0][2]]		@ T[0][2] = A[0][2] ^ C[1]; /* D[2] */
	ldr	@C[8],[sp,#$A[0][4]]
	str	@C[9],[sp,#$T[0][2]+4]
	ldr	@C[6],[sp,#$A[0][3]]
	ldr	@C[7],[sp,#$A[0][3]+4]
	ldr	@C[9],[sp,#$A[0][4]+4]
	eor	@C[6],@C[6],@C[4]
	eor	@C[7],@C[7],@C[5]
	str	@C[6],[sp,#$T[0][3]]		@ T[0][3] = A[0][3] ^ C[2]; /* D[3] */
	str	@C[7],[sp,#$T[0][3]+4]
	ldr	@C[8],[sp,#$A[0][4]]
	ldr	@C[9],[sp,#$A[0][4]+4]
	eor	@C[8],@C[8],@E[2]
	str	@C[7],[sp,#$T[0][3]+4]
	eor	@C[9],@C[9],@E[3]
	str	@C[8],[sp,#$T[0][4]]		@ T[0][4] = A[0][4] ^ E[1]; /* D[4] */
	str	@C[9],[sp,#$T[0][4]+4]

	ldr	@C[6],[sp,#$A[3][3]]
	ldr	@C[7],[sp,#$A[3][3]+4]
	ldr	@C[8],[sp,#$A[4][4]]
	ldr	@C[9],[sp,#$A[4][4]+4]
	eor	@C[4],@C[4],@C[6]
	eor	@C[5],@C[5],@C[7]
	ror	@C[7],@C[4],#32-10		@ C[3] = ROL64(A[3][3] ^ C[2], rhotates[3][3]);   /* D[3] */
	ldr	@C[4],[sp,#$A[0][0]]
	ror	@C[6],@C[5],#32-11
	ldr	@C[8],[sp,#$A[4][4]]
	ldr	@C[9],[sp,#$A[4][4]+4]
	ldr	@C[5],[sp,#$A[0][0]+4]
	eor	@C[8],@C[8],@E[2]
	eor	@C[9],@C[9],@E[3]
	ror	@C[8],@C[8],#32-7		@ C[4] = ROL64(A[4][4] ^ E[1], rhotates[4][4]);   /* D[4] */
	ldr	@E[2],[sp,#$A[2][2]]
	ror	@C[9],@C[9],#32-7
	ldr	@C[4],[sp,#$A[0][0]]
	ldr	@C[5],[sp,#$A[0][0]+4]
	ldr	@E[3],[sp,#$A[2][2]+4]
	eor	@C[0],@C[0],@C[4]
	eor	@C[1],@C[1],@C[5]		@ C[0] =       A[0][0] ^ C[0]; /* rotate by 0 */  /* D[0] */
	ldr	@E[2],[sp,#$A[2][2]]
	ldr	@E[3],[sp,#$A[2][2]+4]
	eor	@E[2],@E[2],@C[2]
	eor	@E[3],@E[3],@C[3]
	ror	@C[5],@E[2],#32-21		@ C[2] = ROL64(A[2][2] ^ C[1], rhotates[2][2]);   /* D[2] */
	ror	@C[4],@E[3],#32-22
	ldr	@C[2],[sp,#$A[1][1]]
	eor	@E[3],@E[3],@C[3]
	ldr	@C[3],[sp,#$A[1][1]+4]
	ror	@C[5],@E[2],#32-21		@ C[2] = ROL64(A[2][2] ^ C[1], rhotates[2][2]);   /* D[2] */
	eor	@C[2],@C[2],@E[0]
	ror	@C[4],@E[3],#32-22
	 adr	@E[0],iotas
	eor	@C[3],@C[3],@E[1]
	 ldr	@E[1],[sp,#320+4]		@ load counter
	ror	@C[2],@C[2],#32-22		@ C[1] = ROL64(A[1][1] ^ E[0], rhotates[1][1]);   /* D[1] */
	ror	@C[3],@C[3],#32-22

	adr	@E[0],iotas
	ldr	@E[1],[sp,#320+4]		@ load counter
	add	@E[0],@E[0],@E[1]
	ldr	@E[2],[@E[0],#0]
	ldr	@E[3],[@E[0],#4]
	add	@E[1],@E[1],#8
	str	@E[1],[sp,#320+4]		@ store counter
	ldr	@E[3],[@E[0],#4]
	cmp	@E[1],#192
	str	@E[1],[sp,#320+4]		@ store counter

	bic	@E[0],@C[4],@C[2]
	bic	@E[1],@C[5],@C[3]
@@ -240,75 +240,75 @@ KeccakF1600:
	str	@E[2],[sp,#$A[0][3]]		@ A[0][3] = C[3] ^ (~C[4] & C[0]);
	bic	@E[0],@C[2],@C[0]
	str	@E[3],[sp,#$A[0][3]+4]
	 add	@E[3],sp,#$D[0]
	bic	@E[1],@C[3],@C[1]
	eor	@E[0],@E[0],@C[8]
	eor	@E[1],@E[1],@C[9]
	str	@E[0],[sp,#$A[0][4]]		@ A[0][4] = C[4] ^ (~C[0] & C[1]);
	str	@E[1],[sp,#$A[0][4]+4]

	add	@E[3],sp,#$D[0]
	ldmia	@E[3],{@C[6]-@C[9],@E[0],@E[1],@E[2],@E[3]}	@ D[0..3]
	ldr	@C[4],[sp,#$D[4]]
	ldr	@C[5],[sp,#$D[4]+4]
	ldr	@C[0],[sp,#$A[1][0]]
	ldr	@C[1],[sp,#$A[1][0]+4]
	ldr	@C[2],[sp,#$A[2][1]]
	ldr	@C[3],[sp,#$A[2][1]+4]
	eor	@C[0],@C[0],@C[6]
	eor	@C[1],@C[1],@C[7]
	str	@C[0],[sp,#$T[1][0]]		@ T[1][0] = A[1][0] ^ (C[3] = D[0]);
	add	@C[0],sp,#$A[1][2]
	str	@C[1],[sp,#$T[1][0]+4]
	ldr	@C[2],[sp,#$A[2][1]]
	ldr	@C[3],[sp,#$A[2][1]+4]
	eor	@C[2],@C[2],@C[8]
	eor	@C[3],@C[3],@C[9]
	str	@C[2],[sp,#$T[1][1]]		@ T[1][1] = A[2][1] ^ (C[4] = D[1]); /* borrow T[1][1] */
	str	@C[3],[sp,#$T[1][1]+4]
	add	@C[0],sp,#$A[1][2]
	ldmia	@C[0],{@C[0]-@C[3]}		@ A[1][2..3]
	eor	@C[0],@C[0],@E[0]
	eor	@C[1],@C[1],@E[1]
	str	@C[0],[sp,#$T[1][2]]		@ T[1][2] = A[1][2] ^ (E[0] = D[2]);
	ldr	@C[0],[sp,#$A[2][4]]
	str	@C[1],[sp,#$T[1][2]+4]
	ldr	@C[1],[sp,#$A[2][4]+4]
	eor	@C[2],@C[2],@E[2]
	eor	@C[3],@C[3],@E[3]
	str	@C[2],[sp,#$T[1][3]]		@ T[1][3] = A[1][3] ^ (E[1] = D[3]);
	 ldr	@C[2],[sp,#$T[0][3]]
	str	@C[3],[sp,#$T[1][3]+4]
	ldr	@C[0],[sp,#$A[2][4]]
	ldr	@C[1],[sp,#$A[2][4]+4]
	 ldr	@C[3],[sp,#$T[0][3]+4]
	eor	@C[0],@C[0],@C[4]
	 ldr	@E[2],[sp,#$A[1][4]]
	eor	@C[1],@C[1],@C[5]
	 ldr	@E[3],[sp,#$A[1][4]+4]
	str	@C[0],[sp,#$T[1][4]]		@ T[1][4] = A[2][4] ^ (C[2] = D[4]); /* borrow T[1][4] */
	str	@C[1],[sp,#$T[1][4]+4]

	ldr	@C[2],[sp,#$T[0][3]]
	ldr	@C[3],[sp,#$T[0][3]+4]
	ror	@C[0],@C[2],#32-14		@ C[0] = ROL64(T[0][3],        rhotates[0][3]);
	 str	@C[1],[sp,#$T[1][4]+4]
	ror	@C[1],@C[3],#32-14
	ldr	@E[2],[sp,#$A[1][4]]
	ldr	@E[3],[sp,#$A[1][4]+4]
	eor	@C[2],@E[2],@C[4]
	ldr	@C[4],[sp,#$A[2][0]]
	eor	@C[3],@E[3],@C[5]
	ldr	@C[5],[sp,#$A[2][0]+4]
	ror	@C[2],@C[2],#32-10		@ C[1] = ROL64(A[1][4] ^ C[2], rhotates[1][4]);   /* D[4] */
	ldr	@E[2],[sp,#$A[3][1]]
	ror	@C[3],@C[3],#32-10
	ldr	@C[4],[sp,#$A[2][0]]
	ldr	@C[5],[sp,#$A[2][0]+4]
	ldr	@E[3],[sp,#$A[3][1]+4]
	eor	@C[6],@C[6],@C[4]
	eor	@C[7],@C[7],@C[5]
	ror	@C[5],@C[6],#32-1		@ C[2] = ROL64(A[2][0] ^ C[3], rhotates[2][0]);   /* D[0] */
	ror	@C[4],@C[7],#32-2
	ldr	@E[2],[sp,#$A[3][1]]
	ldr	@E[3],[sp,#$A[3][1]+4]
	eor	@E[2],@E[2],@C[8]
	eor	@E[3],@E[3],@C[9]
	ror	@C[7],@E[2],#32-22		@ C[3] = ROL64(A[3][1] ^ C[4], rhotates[3][1]);   /* D[1] */
	ror	@C[6],@E[3],#32-23
	ror	@C[4],@C[7],#32-2
	ldr	@C[8],[sp,#$A[4][2]]
	eor	@E[3],@E[3],@C[9]
	ldr	@C[9],[sp,#$A[4][2]+4]
	ror	@C[7],@E[2],#32-22		@ C[3] = ROL64(A[3][1] ^ C[4], rhotates[3][1]);   /* D[1] */
	eor	@E[0],@E[0],@C[8]
	ror	@C[6],@E[3],#32-23
	eor	@E[1],@E[1],@C[9]
	ror	@C[9],@E[0],#32-30		@ C[4] = ROL64(A[4][2] ^ E[0], rhotates[4][2]);   /* D[2] */
	ror	@C[8],@E[1],#32-31

	bic	@E[0],@C[4],@C[2]
	 ror	@C[8],@E[1],#32-31
	bic	@E[1],@C[5],@C[3]
	eor	@E[0],@E[0],@C[0]
	eor	@E[1],@E[1],@C[1]
@@ -333,43 +333,43 @@ KeccakF1600:
	str	@E[2],[sp,#$A[1][3]]		@ A[1][3] = C[3] ^ (~C[4] & C[0]);
	bic	@E[0],@C[2],@C[0]
	str	@E[3],[sp,#$A[1][3]+4]
	 add	@E[3],sp,#$D[3]
	bic	@E[1],@C[3],@C[1]
	 ldr	@C[1],[sp,#$T[0][1]]
	eor	@E[0],@E[0],@C[8]
	 ldr	@C[0],[sp,#$T[0][1]+4]
	eor	@E[1],@E[1],@C[9]
	str	@E[0],[sp,#$A[1][4]]		@ A[1][4] = C[4] ^ (~C[0] & C[1]);
	str	@E[1],[sp,#$A[1][4]+4]

	ldr	@C[1],[sp,#$T[0][1]]
	ldr	@C[0],[sp,#$T[0][1]+4]
	ror	@C[0],@C[0],#32-1		@ C[0] = ROL64(T[0][1],        rhotates[0][1]);
	ldr	@C[2],[sp,#$T[1][2]]
	ldr	@C[3],[sp,#$T[1][2]+4]
	ror	@C[2],@C[2],#32-3		@ C[1] = ROL64(T[1][2],        rhotates[1][2]);
	ror	@C[3],@C[3],#32-3
	add	@E[3],sp,#$D[3]
	ldmia	@E[3],{@E[0]-@E[2],@E[3]}	@ D[3..4]
	ldr	@C[4],[sp,#$A[2][3]]
	ror	@C[0],@C[0],#32-1		@ C[0] = ROL64(T[0][1],        rhotates[0][1]);
	ldr	@C[5],[sp,#$A[2][3]+4]
	ror	@C[2],@C[2],#32-3		@ C[1] = ROL64(T[1][2],        rhotates[1][2]);
	ldr	@C[6],[sp,#$A[3][4]]
	ror	@C[3],@C[3],#32-3
	ldr	@C[7],[sp,#$A[3][4]+4]
	eor	@E[0],@E[0],@C[4]
	ldr	@C[8],[sp,#$A[4][0]]
	eor	@E[1],@E[1],@C[5]
	ldr	@C[9],[sp,#$A[4][0]+4]
	ror	@C[5],@E[0],#32-12		@ C[2] = ROL64(A[2][3] ^ D[3], rhotates[2][3]);
	ldr	@E[0],[sp,#$D[0]]
	ror	@C[4],@E[1],#32-13
	ldr	@C[6],[sp,#$A[3][4]]
	ldr	@C[7],[sp,#$A[3][4]+4]
	ldr	@E[1],[sp,#$D[0]+4]
	eor	@C[6],@C[6],@E[2]
	eor	@C[7],@C[7],@E[3]
	ror	@C[6],@C[6],#32-4		@ C[3] = ROL64(A[3][4] ^ D[4], rhotates[3][4]);
	ror	@C[7],@C[7],#32-4
	ldr	@C[8],[sp,#$A[4][0]]
	ldr	@C[9],[sp,#$A[4][0]+4]
	ldr	@E[0],[sp,#$D[0]]
	ldr	@E[1],[sp,#$D[0]+4]
	eor	@C[8],@C[8],@E[0]
	ror	@C[7],@C[7],#32-4
	eor	@C[9],@C[9],@E[1]
	ror	@C[8],@C[8],#32-9		@ C[4] = ROL64(A[4][0] ^ D[0], rhotates[4][0]);
	ror	@C[9],@C[9],#32-9

	bic	@E[0],@C[4],@C[2]
	 ror	@C[9],@C[9],#32-9
	bic	@E[1],@C[5],@C[3]
	eor	@E[0],@E[0],@C[0]
	eor	@E[1],@E[1],@C[1]
@@ -398,34 +398,34 @@ KeccakF1600:
	eor	@E[0],@E[0],@C[8]
	eor	@E[1],@E[1],@C[9]
	str	@E[0],[sp,#$A[2][4]]		@ A[2][4] = C[4] ^ (~C[0] & C[1]);
	 add	@C[2],sp,#$T[1][0]
	str	@E[1],[sp,#$A[2][4]+4]

	add	@E[3],sp,#$D[2]
	ldr	@C[1],[sp,#$T[0][4]]
	ldr	@C[0],[sp,#$T[0][4]+4]
	ldmia	@C[2],{@C[2]-@C[5]}		@ T[1][0..1]
	ldmia	@E[3],{@E[0]-@E[2],@E[3]}	@ D[2..3]
	ror	@C[1],@C[1],#32-13		@ C[0] = ROL64(T[0][4],        rhotates[0][4]);
	ldr	@C[6],[sp,#$A[3][2]]
	ror	@C[0],@C[0],#32-14
	add	@C[2],sp,#$T[1][0]
	ldmia	@C[2],{@C[2]-@C[5]}		@ T[1][0..1]
	ldr	@C[7],[sp,#$A[3][2]+4]
	ror	@C[2],@C[2],#32-18		@ C[1] = ROL64(T[1][0],        rhotates[1][0]);
	ldr	@C[8],[sp,#$A[4][3]]
	ror	@C[3],@C[3],#32-18
	ldr	@C[9],[sp,#$A[4][3]+4]
	ror	@C[4],@C[4],#32-5		@ C[2] = ROL64(T[1][1],        rhotates[2][1]); /* originally A[2][1] */
	ror	@C[5],@C[5],#32-5
	add	@E[3],sp,#$D[2]
	ldmia	@E[3],{@E[0]-@E[2],@E[3]}	@ D[2..3]
	ldr	@C[6],[sp,#$A[3][2]]
	ldr	@C[7],[sp,#$A[3][2]+4]
	eor	@E[0],@E[0],@C[6]
	ror	@C[5],@C[5],#32-5
	eor	@E[1],@E[1],@C[7]
	ror	@C[7],@E[0],#32-7		@ C[3] = ROL64(A[3][2] ^ D[2], rhotates[3][2]);
	ror	@C[6],@E[1],#32-8
	ldr	@C[8],[sp,#$A[4][3]]
	ldr	@C[9],[sp,#$A[4][3]+4]
	eor	@C[8],@C[8],@E[2]
	ror	@C[6],@E[1],#32-8
	eor	@C[9],@C[9],@E[3]
	ror	@C[8],@C[8],#32-28		@ C[4] = ROL64(A[4][3] ^ D[3], rhotates[4][3]);
	ror	@C[9],@C[9],#32-28

	bic	@E[0],@C[4],@C[2]
	 ror	@C[9],@C[9],#32-28
	bic	@E[1],@C[5],@C[3]
	eor	@E[0],@E[0],@C[0]
	eor	@E[1],@E[1],@C[1]
@@ -454,33 +454,33 @@ KeccakF1600:
	eor	@E[0],@E[0],@C[8]
	eor	@E[1],@E[1],@C[9]
	str	@E[0],[sp,#$A[3][4]]		@ A[3][4] = C[4] ^ (~C[0] & C[1]);
	 add	@E[3],sp,#$T[1][3]
	str	@E[1],[sp,#$A[3][4]+4]

	ldr	@C[0],[sp,#$T[0][2]]
	ldr	@C[1],[sp,#$T[0][2]+4]
	ror	@C[0],@C[0],#32-31		@ C[0] = ROL64(T[0][2],        rhotates[0][2]);
	ror	@C[1],@C[1],#32-31
	add	@E[3],sp,#$T[1][3]
	ldmia	@E[3],{@E[0]-@E[2],@E[3]}	@ T[1][3..4]
	ror	@C[3],@E[0],#32-27		@ C[1] = ROL64(T[1][3],        rhotates[1][3]);
	ror	@C[2],@E[1],#32-28
	ror	@C[5],@E[2],#32-19		@ C[2] = ROL64(T[1][4],        rhotates[2][4]); /* originally A[2][4] */
	ror	@C[4],@E[3],#32-20
	ldr	@C[7],[sp,#$T[0][0]]
	ror	@C[0],@C[0],#32-31		@ C[0] = ROL64(T[0][2],        rhotates[0][2]);
	ldr	@C[6],[sp,#$T[0][0]+4]
	ror	@C[7],@C[7],#32-20		@ C[3] = ROL64(T[0][0],        rhotates[3][0]); /* originally A[3][0] */
	ror	@C[6],@C[6],#32-21
	ror	@C[1],@C[1],#32-31
	ldr	@C[8],[sp,#$A[4][1]]
	ldr	@C[9],[sp,#$A[4][1]+4]
	ror	@C[3],@E[0],#32-27		@ C[1] = ROL64(T[1][3],        rhotates[1][3]);
	ldr	@E[0],[sp,#$D[1]]
	ror	@C[2],@E[1],#32-28
	ldr	@C[9],[sp,#$A[4][1]+4]
	ror	@C[5],@E[2],#32-19		@ C[2] = ROL64(T[1][4],        rhotates[2][4]); /* originally A[2][4] */
	ldr	@E[1],[sp,#$D[1]+4]
	ror	@C[4],@E[3],#32-20
	eor	@C[8],@C[8],@E[0]
	ror	@C[7],@C[7],#32-20		@ C[3] = ROL64(T[0][0],        rhotates[3][0]); /* originally A[3][0] */
	eor	@C[9],@C[9],@E[1]
	ror	@C[8],@C[8],#32-1		@ C[4] = ROL64(A[4][1] ^ D[1], rhotates[4][1]);
	ror	@C[9],@C[9],#32-1
	ror	@C[6],@C[6],#32-21

	bic	@E[0],@C[4],@C[2]
	 ror	@C[8],@C[8],#32-1		@ C[4] = ROL64(A[4][1] ^ D[1], rhotates[4][1]);
	bic	@E[1],@C[5],@C[3]
	 ror	@C[9],@C[9],#32-1
	eor	@E[0],@E[0],@C[0]
	eor	@E[1],@E[1],@C[1]
	str	@E[0],[sp,#$A[4][0]]		@ A[4][0] = C[0] ^ (~C[1] & C[2])
@@ -502,8 +502,8 @@ KeccakF1600:
	eor	@E[2],@E[2],@C[6]
	eor	@E[3],@E[3],@C[7]
	str	@E[2],[sp,#$A[4][3]]		@ A[4][3] = C[3] ^ (~C[4] & C[0]);
	str	@E[3],[sp,#$A[4][3]+4]
	bic	@E[0],@C[2],@C[0]
	str	@E[3],[sp,#$A[4][3]+4]
	bic	@E[1],@C[3],@C[1]
	eor	@E[2],@E[0],@C[8]
	 add	@E[0],sp,#$A[1][0]