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Check in Keith's Fixes

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1. Don't warn on 32-bit overflow
2. Change EM64T to Intel 64 in Defining CPU Dependencies
   section of documentation.
This commit is contained in:
Charles Crayne 2007-11-17 21:08:33 -08:00
parent c9588ea1bc
commit db90f35d89
2 changed files with 6 additions and 9 deletions
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2
doc/nasmdoc.src
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@ -3782,7 +3782,7 @@ Options are:
\b\c{CPU PRESCOTT} Prescott instruction set
\b\c{CPU X64} x86-64 (x64/AMD64/EM64T) instruction set
\b\c{CPU X64} x86-64 (x64/AMD64/Intel 64) instruction set
\b\c{CPU IA64} IA64 CPU (in x86 mode) instruction set

13
nasmlib.c
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@ -283,19 +283,16 @@ int64_t readnum(char *str, bool *error)
}
/*
* `checklimit' must be 2**(32|64) / radix. We can't do that in
* 32/64-bit arithmetic, which we're (probably) using, so we
* `checklimit' must be 2**64 / radix. We can't do that in
* 64-bit arithmetic, which we're (probably) using, so we
* cheat: since we know that all radices we use are even, we
* can divide 2**(31|63) by radix/2 instead.
* can divide 2**63 by radix/2 instead.
*/
if (globalbits == 64)
checklimit = 0x8000000000000000ULL / (radix >> 1);
else
checklimit = 0x80000000UL / (radix >> 1);
checklimit = 0x8000000000000000ULL / (radix >> 1);
/*
* Calculate the highest allowable value for the last digit of a
* 32-bit constant... in radix 10, it is 6, otherwise it is 0
* 64-bit constant... in radix 10, it is 6, otherwise it is 0
*/
last = (radix == 10 ? 6 : 0);