Re: [PATCH] x86: Generate .cfi_undefined for unsaved callee-saved registers

2024-01-29 Thread H.J. Lu
On Mon, Jan 29, 2024 at 2:08 AM Jakub Jelinek wrote: > > On Sat, Jan 27, 2024 at 12:41:24PM -0800, H.J. Lu wrote: > > When assembler directives for DWARF frame unwind is enabled, generate > > the .cfi_undefined directive for unsaved callee-saved registers which > > have been used in the function.

Re: [PATCH] x86: Generate .cfi_undefined for unsaved callee-saved registers

2024-01-29 Thread Jakub Jelinek
On Sat, Jan 27, 2024 at 12:41:24PM -0800, H.J. Lu wrote: > When assembler directives for DWARF frame unwind is enabled, generate > the .cfi_undefined directive for unsaved callee-saved registers which > have been used in the function. > > gcc/ > > PR target/38534 > * config/i386/i386.

[PATCH] x86: Generate .cfi_undefined for unsaved callee-saved registers

2024-01-27 Thread H.J. Lu
When assembler directives for DWARF frame unwind is enabled, generate the .cfi_undefined directive for unsaved callee-saved registers which have been used in the function. gcc/ PR target/38534 * config/i386/i386.cc (ix86_post_cfi_startproc): New. (TARGET_ASM_POST_CFI_START