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[skein] Fix compile issue with unknown symbol SKEIN_ASM_UNROLL1024

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Weirdly, I needed to sprinkle more parens here to get gcc-as in 6.4
to correctly generate things.

Without them, I'd get an unknown variable reference to SKEIN_ASM_UNROLL1024.

This at least links now, but I haven't run any test cases against it.
It may be worthwhile doing it in case gcc-as demands we liberally sprinkle
more brackets around variables in .if statements.

Thanks to ed for the suggestion of just sprinkling more brackets to
see if that helped.

Reviewed by:	emaste
This commit is contained in:
Adrian Chadd 2020-10-14 20:55:31 +00:00
parent 44ec023c17
commit 58958a74f2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=366709
1 changed files with 22 additions and 22 deletions
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44
sys/crypto/skein/amd64/skein_block_asm.S
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@ -41,7 +41,7 @@ SKEIN_UNROLL_1024 = (_SKEIN_LOOP ) % 10
SKEIN_ASM_UNROLL = 0
.irp _NN_,256,512,1024
.if (SKEIN_UNROLL_\_NN_) == 0
SKEIN_ASM_UNROLL = SKEIN_ASM_UNROLL + \_NN_
SKEIN_ASM_UNROLL = (SKEIN_ASM_UNROLL) + \_NN_
.endif
.endr
#################
@ -397,7 +397,7 @@ _NN_ = _NN_ - 1
.macro Skein_Debug_Round BLK_BITS,R,RDI_OFFS,afterOp
# call the appropriate (local) debug "function"
pushq %rdx #save rdx, so we can use it for round "number"
.if (SKEIN_ASM_UNROLL & \BLK_BITS) || (\R >= SKEIN_RND_SPECIAL)
.if ((SKEIN_ASM_UNROLL) & \BLK_BITS) || (\R >= SKEIN_RND_SPECIAL)
movq $\R,%rdx
.else #compute round number using edi
_rOffs_ = \RDI_OFFS + 0
@ -533,7 +533,7 @@ Skein_256_block_loop:
Skein_Debug_Round 256,SKEIN_RND_KEY_INITIAL
.endif
#
.if ((SKEIN_ASM_UNROLL & 256) == 0)
.if (((SKEIN_ASM_UNROLL) & 256) == 0)
movq %r8 ,ksKey+40+F_O(%rbp) #save key schedule on stack for looping code
movq %r9 ,ksKey+ 8+F_O(%rbp)
movq %r10,ksKey+16+F_O(%rbp)
@ -549,7 +549,7 @@ Skein_256_block_loop:
#
# now the key schedule is computed. Start the rounds
#
.if SKEIN_ASM_UNROLL & 256
.if (SKEIN_ASM_UNROLL) & 256
_UNROLL_CNT = ROUNDS_256/8
.else
_UNROLL_CNT = SKEIN_UNROLL_256
@ -566,20 +566,20 @@ _Rbase_ = 0
addReg rax, rbx
RotL64 rbx, 256,%((4*_Rbase_+0) % 8),0
addReg rcx, rdx
.if (SKEIN_ASM_UNROLL & 256) == 0
.if ((SKEIN_ASM_UNROLL) & 256) == 0
movq ksKey+8*1+F_O(%rbp,%rdi,8),%r8
.endif
xorReg rbx, rax
RotL64 rdx, 256,%((4*_Rbase_+0) % 8),1
xorReg rdx, rcx
.if SKEIN_ASM_UNROLL & 256
.if (SKEIN_ASM_UNROLL) & 256
.irp _r0_,%( 8+(_Rbase_+3) % 5)
.irp _r1_,%(13+(_Rbase_+2) % 3)
leaq (%r\_r0_,%r\_r1_),%rdi #precompute key injection value for %rcx
.endr
.endr
.endif
.if (SKEIN_ASM_UNROLL & 256) == 0
.if ((SKEIN_ASM_UNROLL) & 256) == 0
movq ksTwk+8*1+F_O(%rbp,%rdi,8),%r13
.endif
Skein_Debug_Round 256,%(4*_Rbase_+1)
@ -588,17 +588,17 @@ _Rbase_ = 0
addReg rax, rdx
RotL64 rdx, 256,%((4*_Rbase_+1) % 8),0
xorReg rdx, rax
.if (SKEIN_ASM_UNROLL & 256) == 0
.if ((SKEIN_ASM_UNROLL) & 256) == 0
movq ksKey+8*2+F_O(%rbp,%rdi,8),%r9
.endif
addReg rcx, rbx
RotL64 rbx, 256,%((4*_Rbase_+1) % 8),1
xorReg rbx, rcx
.if (SKEIN_ASM_UNROLL & 256) == 0
.if ((SKEIN_ASM_UNROLL) & 256) == 0
movq ksKey+8*4+F_O(%rbp,%rdi,8),%r11
.endif
Skein_Debug_Round 256,%(4*_Rbase_+2)
.if SKEIN_ASM_UNROLL & 256
.if (SKEIN_ASM_UNROLL) & 256
.irp _r0_,%( 8+(_Rbase_+2) % 5)
.irp _r1_,%(13+(_Rbase_+1) % 3)
leaq (%r\_r0_,%r\_r1_),%rsi #precompute key injection value for %rbx
@ -609,13 +609,13 @@ _Rbase_ = 0
addReg rax, rbx
RotL64 rbx, 256,%((4*_Rbase_+2) % 8),0
addReg rcx, rdx
.if (SKEIN_ASM_UNROLL & 256) == 0
.if ((SKEIN_ASM_UNROLL) & 256) == 0
movq ksKey+8*3+F_O(%rbp,%rdi,8),%r10
.endif
xorReg rbx, rax
RotL64 rdx, 256,%((4*_Rbase_+2) % 8),1
xorReg rdx, rcx
.if (SKEIN_ASM_UNROLL & 256) == 0
.if ((SKEIN_ASM_UNROLL) & 256) == 0
movq %r8,ksKey+8*6+F_O(%rbp,%rdi,8) #"rotate" the key
leaq 1(%r11,%rdi),%r11 #precompute key + tweak
.endif
@ -624,7 +624,7 @@ _Rbase_ = 0
addReg rax, rdx
RotL64 rdx, 256,%((4*_Rbase_+3) % 8),0
addReg rcx, rbx
.if (SKEIN_ASM_UNROLL & 256) == 0
.if ((SKEIN_ASM_UNROLL) & 256) == 0
addq ksTwk+8*2+F_O(%rbp,%rdi,8),%r10 #precompute key + tweak
movq %r13,ksTwk+8*4+F_O(%rbp,%rdi,8) #"rotate" the tweak
.endif
@ -632,12 +632,12 @@ _Rbase_ = 0
RotL64 rbx, 256,%((4*_Rbase_+3) % 8),1
xorReg rbx, rcx
Skein_Debug_Round 256,%(4*_Rbase_+4)
.if (SKEIN_ASM_UNROLL & 256) == 0
.if ((SKEIN_ASM_UNROLL) & 256) == 0
addReg r9 ,r13 #precompute key+tweak
.endif
#inject key schedule words
_Rbase_ = _Rbase_+1
.if SKEIN_ASM_UNROLL & 256
.if (SKEIN_ASM_UNROLL) & 256
addReg rax,r,%(8+((_Rbase_+0) % 5))
addReg rbx,rsi
addReg rcx,rdi
@ -652,7 +652,7 @@ _Rbase_ = _Rbase_+1
Skein_Debug_Round 256,SKEIN_RND_KEY_INJECT
.endr #rept _UNROLL_CNT
#
.if (SKEIN_ASM_UNROLL & 256) == 0
.if ((SKEIN_ASM_UNROLL) & 256) == 0
cmpq $2*(ROUNDS_256/8),%rdi
jb Skein_256_round_loop
.endif # (SKEIN_ASM_UNROLL & 256) == 0
@ -867,7 +867,7 @@ Skein_512_block_loop:
#################
# now the key schedule is computed. Start the rounds
#
.if SKEIN_ASM_UNROLL & 512
.if (SKEIN_ASM_UNROLL) & 512
_UNROLL_CNT = ROUNDS_512/8
.else
_UNROLL_CNT = SKEIN_UNROLL_512
@ -884,7 +884,7 @@ _Rbase_ = 0
_Rbase_ = _Rbase_+1
.endr #rept _UNROLL_CNT
#
.if (SKEIN_ASM_UNROLL & 512) == 0
.if ((SKEIN_ASM_UNROLL) & 512) == 0
cmpq $2*(ROUNDS_512/8),%rdi
jb Skein_512_round_loop
movq ctxPtr +F_O(%rbp),%rdi #restore rdi --> context
@ -1062,7 +1062,7 @@ _Rn_ = (\_RR_) + 3
Skein_Debug_Round 1024,%(_Rn_+1)
.endif
.if (SKEIN_ASM_UNROLL & 1024) == 0 #here with rdi == rIdx, X0 on stack
.if ((SKEIN_ASM_UNROLL) & 1024) == 0 #here with rdi == rIdx, X0 on stack
#"rotate" the key schedule on the stack
i8 = o1K_r8
i0 = o1K_rdi
@ -1098,7 +1098,7 @@ Skein1024_block_loop:
# R8 ..R15 = X8..X15 (state words)
# RBP = temp (used for X0 and X2)
#
.if (SKEIN_ASM_UNROLL & 1024) == 0
.if ((SKEIN_ASM_UNROLL) & 1024) == 0
xorq %rax,%rax #init loop index on the stack
movq %rax,rIdx_offs(%rsp)
.endif
@ -1159,7 +1159,7 @@ _oo_ = o1K_\_rr_ #offset assocated with the register
#################
# now the key schedule is computed. Start the rounds
#
.if SKEIN_ASM_UNROLL & 1024
.if (SKEIN_ASM_UNROLL) & 1024
_UNROLL_CNT = ROUNDS_1024/8
.else
_UNROLL_CNT = SKEIN_UNROLL_1024
@ -1175,7 +1175,7 @@ _Rbase_ = 0
_Rbase_ = _Rbase_+1
.endr #rept _UNROLL_CNT
#
.if (SKEIN_ASM_UNROLL & 1024) == 0
.if ((SKEIN_ASM_UNROLL) & 1024) == 0
cmpq $2*(ROUNDS_1024/8),tmpStk_1024(%rsp) #see .if we are done
jb Skein1024_round_loop
.endif