Jozef Lawrynowicz
e445e4b4fe
MSP430: Emulate 16-bit shifts with rotate insn when src operand is in memory
gcc/ChangeLog 2019-06-06 Jozef Lawrynowicz <jozef.l@mittosystems.com> * config/msp430/msp430.md (ashlhi3): Force shift src operand into a register if it is in memory, so the shift can be emulated with a rotate instruction. (ashrhi3): Likewise. (lshrhi3): Likewise. gcc/testsuite/ChangeLog 2019-06-06 Jozef Lawrynowicz <jozef.l@mittosystems.com> * gcc.target/msp430/emulate-slli.c: New test. * gcc.target/msp430/emulate-srai.c: New test. * gcc.target/msp430/emulate-srli.c: New test. From-SVN: r271993
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