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@@ -23,7 +23,7 @@ open OUT,"| \"$^X\" $xlate $flavour \"$output\""
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my ($s0,$s1,$s2,$s3,$s4,$s5,$s6,$s7)=map("x$_",(7..14));
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my ($a8,$a10,$a12,$a14,$a9,$a11,$a13,$a15)=map("x$_",(7..14));
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my ($t0,$t1,$t2,$t3)=map("x$_",(3..6));
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-my ($t4,$t5,$t6,$t7,$t8)=map("x$_",(15..19));
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+my ($t4,$t5,$t6,$t7,$t8)=map("x$_",(15..17,19,20));
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sub bn_mod_add() {
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my $mod = shift;
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@@ -537,7 +537,7 @@ ecp_sm2p256_mul:
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stp x29,x30,[sp,#-80]!
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add x29,sp,#0
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stp x16,x17,[sp,#16]
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- stp x18,x19,[sp,#64]
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+ stp x19,x20,[sp,#64]
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// Load inputs
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ldp $s0,$s1,[x1]
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@@ -678,7 +678,7 @@ ecp_sm2p256_mul:
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// Restore scalar registers
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ldp x16,x17,[sp,#16]
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- ldp x18,x19,[sp,#64]
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+ ldp x19,x20,[sp,#64]
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ldp x29,x30,[sp],#80
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AARCH64_VALIDATE_LINK_REGISTER
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@@ -696,7 +696,7 @@ ecp_sm2p256_sqr:
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stp x29,x30,[sp,#-80]!
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add x29,sp,#0
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stp x16,x17,[sp,#16]
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- stp x18,x19,[sp,#64]
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+ stp x19,x20,[sp,#64]
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// Load inputs
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ldp $s4,$s5,[x1]
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@@ -806,7 +806,7 @@ ecp_sm2p256_sqr:
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// Restore scalar registers
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ldp x16,x17,[sp,#16]
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- ldp x18,x19,[sp,#64]
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+ ldp x19,x20,[sp,#64]
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ldp x29,x30,[sp],#80
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AARCH64_VALIDATE_LINK_REGISTER
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