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If the hard frame pointer is being used as a global register, we should skip the usual handling for eliminations. As the comment says, the register cannot in that case be eliminated (or eliminated to) and is already marked live where appropriate. Doing this removes the duplicate error for gcc.target/i386/pr82673.c. The “cannot be used in 'asm' here” message is meant to be for asm statements rather than register asms, and the function that the error is reported against doesn't use asm. gcc/ 2020-09-18 Richard Sandiford <richard.sandiford@arm.com> PR middle-end/91957 * ira.c (ira_setup_eliminable_regset): Skip the special elimination handling of the hard frame pointer if the hard frame pointer is fixed. gcc/testsuite/ 2020-09-18 H.J. Lu <hjl.tools@gmail.com> Richard Sandiford <richard.sandiford@arm.com> PR middle-end/91957 * g++.target/i386/pr97054.C: New test. * gcc.target/i386/pr82673.c: Remove redundant extra message. |
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| config | ||
| contrib | ||
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