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diff -up allegro-4.2.2/include/allegro/platform/al386gcc.h~ allegro-4.2.2/include/allegro/platform/al386gcc.h
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--- allegro-4.2.2/include/allegro/platform/al386gcc.h~ 2008-01-21 19:18:34.000000000 +0100
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+++ allegro-4.2.2/include/allegro/platform/al386gcc.h 2008-01-21 19:18:34.000000000 +0100
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@@ -208,14 +208,13 @@ AL_INLINE(fixed, fixsub, (fixed x, fixed
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*/
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AL_INLINE(fixed, fixmul, (fixed x, fixed y),
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{
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- fixed edx __attribute__ ((__unused__));
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fixed result;
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__PRECALCULATE_CONSTANTS(x / 65536.0 * y)
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{
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__asm__ (
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- " movl %2, %%eax ; "
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- " imull %3 ; " /* do the multiply */
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+ " movl %1, %%eax ; "
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+ " imull %2 ; " /* do the multiply */
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" shrdl $16, %%edx, %%eax ; "
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" sarl $15, %%edx ; " /* check for overflow */
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@@ -223,14 +222,14 @@ AL_INLINE(fixed, fixmul, (fixed x, fixed
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" cmpl $-1, %%edx ; "
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" je 0f ; "
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- " movl %5, %%eax ; " /* on overflow, set errno */
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- " movl %4, (%%eax) ; "
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+ " movl %4, %%eax ; " /* on overflow, set errno */
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+ " movl %3, (%%eax) ; "
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" movl $0x7FFFFFFF, %%eax ; " /* and return MAXINT */
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- " cmpl $0, %2 ; "
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+ " cmpl $0, %1 ; "
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" jge 1f ; "
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" negl %%eax ; "
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" 1: "
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- " cmpl $0, %3 ; "
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+ " cmpl $0, %2 ; "
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" jge 0f ; "
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" negl %%eax ; "
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@@ -238,15 +237,14 @@ AL_INLINE(fixed, fixmul, (fixed x, fixed
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" 0: " /* finished */
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- : "=&a" (result), /* the result has to go in eax */
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- "=&d" (edx) /* reliably reserve edx */
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+ : "=&a" (result) /* the result has to go in eax */
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: "mr" (x), /* x and y can be regs or mem */
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"mr" (y),
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"i" (ERANGE),
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"m" (allegro_errno)
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- : "%cc", "memory" /* clobbers flags and errno */
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+ : "%cc", "memory", "edx" /* clobbers flags, errno and edx */
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);
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return result;
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