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add hints for mips registers that may need restore #1949

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Jan 31, 2019
Merged

add hints for mips registers that may need restore #1949

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2f70e4b
add hints for mips registers that may need restore
jmartin-tech Aug 14, 2018
a661be3
Add fix of #1722 to ChangLog
jmartin-tech Jan 14, 2019
d25fd8d
MIPS register hints without `$` for compatibility
jmartin-tech Jan 15, 2019
d20a0e2
update ChangLog per comments
jmartin-tech Jan 15, 2019
801217e
update ChangLog credit
jmartin-tech Jan 16, 2019
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5 changes: 5 additions & 0 deletions ChangeLog
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Expand Up @@ -11,6 +11,11 @@ Bugfix
previously lead to a stack overflow on constrained targets.
* Add `MBEDTLS_SELF_TEST` for the mbedtls_self_test functions
in the header files, which missed the precompilation check. #971
* Fix clobber list in MIPS assembly for large integer multiplication.
Previously, this could lead to functionally incorrect assembly being
produced by some optimizing compilers, showing up as failures in
e.g. RSA or ECC signature operations. Reported in #1722, fix suggested
by Aurelien Jarno and submitted by Jeffrey Martin.

= mbed TLS 2.16.0 branch released 2018-12-21

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2 changes: 1 addition & 1 deletion include/mbedtls/bn_mul.h
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Expand Up @@ -750,7 +750,7 @@
"sw $10, %2 \n\t" \
: "=m" (c), "=m" (d), "=m" (s) \
: "m" (s), "m" (d), "m" (c), "m" (b) \
: "$9", "$10", "$11", "$12", "$13", "$14", "$15" \
: "$9", "$10", "$11", "$12", "$13", "$14", "$15", "lo", "hi" \
);

#endif /* MIPS */
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