[PATCH v3] x86: Save callee-saved registers in noreturn functions for -O0/-Og

Changes in v3: 1. Add the TREE_THIS_VOLATILE check to minimize noreturn attribute lookup. Changes in v2: 1. Lookup noreturn attribute first. 2. Use __attribute__((noreturn, optimize("-Og"))) in pr38534-6.c. Save callee-saved registers in noreturn functions for -O0/-Og so that debugger can

Re: [PATCH v3] x86: Save callee-saved registers in noreturn functions for -O0/-Og

On Mon, Jan 29, 2024 at 05:26:05AM -0800, H.J. Lu wrote: > Changes in v3: > > 1. Add the TREE_THIS_VOLATILE check to minimize noreturn attribute lookup. > > Changes in v2: > > 1. Lookup noreturn attribute first. > 2. Use __attribute__((noreturn, optimize("-Og"))) in pr38534-6.c. > > > Save