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Fix ARMv7 THUMB encoding for immediates.

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* lightening/arm-cpu.c (encode_thumb_immediate): Fix return value in
third case.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
This commit is contained in:
Andrew Gierth 2020-06-19 17:07:34 +01:00 • committed by Ludovic Courtès
parent 2c0fdb045e
commit 1bb909a44d
1 changed files with 1 additions and 1 deletions
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2
lightening/arm-cpu.c
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@ -230,7 +230,7 @@ encode_thumb_immediate(unsigned int v)
return ((v & 0xff) | (1 << 12)); return ((v & 0xff) | (1 << 12));
/* abcdefgh 00000000 abcdefgh 00000000 */ /* abcdefgh 00000000 abcdefgh 00000000 */
if (((v & 0xffff0000) >> 16) == (v & 0xffff) && (v & 0xff) == 0) if (((v & 0xffff0000) >> 16) == (v & 0xffff) && (v & 0xff) == 0)
return ((v & 0x000000ff) | (2 << 12)); return (((v & 0x0000ff00) >> 8) | (2 << 12));
/* abcdefgh abcdefgh abcdefgh abcdefgh */ /* abcdefgh abcdefgh abcdefgh abcdefgh */
if ( (v & 0xff) == ((v & 0xff00) >> 8) && if ( (v & 0xff) == ((v & 0xff00) >> 8) &&
((v & 0xff00) >> 8) == ((v & 0xff0000) >> 16) && ((v & 0xff00) >> 8) == ((v & 0xff0000) >> 16) &&