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Disable use of the i386 assembly for option -O0

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We don't compile in the assembly code if compiler optimisations are disabled as
the number of registers used in the assembly code doesn't work with the -O0
option. Also anyone select -O0 probably doesn't want to compile in the assembly
code anyway.
This commit is contained in:
Simon Butcher 2018-07-10 20:18:29 +01:00
parent 6c34442c87
commit 4b9a3addb6
1 changed files with 8 additions and 1 deletions
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9
include/mbedtls/bn_mul.h
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@ -49,7 +49,14 @@
/* armcc5 --gnu defines __GNUC__ but doesn't support GNU's extended asm */
#if defined(__GNUC__) && \
( !defined(__ARMCC_VERSION) || __ARMCC_VERSION >= 6000000 )
#if defined(__i386__)
/*
* Disable use of the i386 assembly code below if option -O0, to disable all
* compiler optimisations, is passed, detected with __OPTIMIZE__
* This is done as the number of registers used in the assembly code doesn't
* work with the -O0 option.
*/
#if defined(__i386__) && !defined(__OPTIMIZE__)
#define MULADDC_INIT \
asm( \