h8300.c (shift_alg_si): Optimize ashift:HI and lshiftrt:SI by 28, 29, and 30…
h8300.c (shift_alg_si): Optimize ashift:HI and lshiftrt:SI by 28, 29, and 30 bits when !TARGET_H8300. * config/h8300/h8300.c (shift_alg_si): Optimize ashift:HI and lshiftrt:SI by 28, 29, and 30 bits when !TARGET_H8300. (get_shift_alg): Return optimal assembly instructions for the shifts mentioned above. From-SVN: r59859
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