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authorH.J. Lu <hjl.tools@gmail.com>2025-08-13 14:18:26 -0700
committerH.J. Lu <hjl.tools@gmail.com>2025-08-13 19:31:45 -0700
commit9d7f45e9806c50bf6d8f0f6f93fa657dc418401b (patch)
tree5f21cf86dd32b20adf28cb56739cbf915dd248d4 /libstdc++-v3/testsuite/ext/vstring/modifiers
parent6520bb9efb2dd6b1ecdb28ed698b4c5b320de7bb (diff)
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x86: Disallow MMX and 80387 in no_caller_saved_registers functionHEADtrunkmaster
commit 9804b23198b39f85a7258be556c5e8aed44b9efc Author: H.J. Lu <hjl.tools@gmail.com> Date: Sun Apr 13 11:38:24 2025 -0700 x86: Add preserve_none and update no_caller_saved_registers attributes allowed MMX/80387 instructions in functions with no_caller_saved_registers attribute by accident. Update ix86_set_current_function to properly check if MMX and 80387 are enabled. gcc/ PR target/121540 * config/i386/i386-options.cc (ix86_set_current_function): Properly check if MMX and 80387 are enabled. gcc/testsuite/ PR target/121540 * gcc.target/i386/no-callee-saved-19a.c (dg-options): Add "-mno-avx -mno-mmx -mno-80387" * gcc.target/i386/no-callee-saved-19b.c: Likewise. * gcc.target/i386/no-callee-saved-19c.c: Likewise. * gcc.target/i386/no-callee-saved-19d.c: Likewise. * gcc.target/i386/no-callee-saved-19e.c: Likewise. * gcc.target/i386/pr121208-1a.c: Likewise. * gcc.target/i386/pr121208-1b.c: Likewise. * gcc.target/i386/pr121540-1.c: New test. * gcc.target/i386/pr121540-2.c: Likewise. Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
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