Re: [PATCH] x86-64: Don't expand UNSPEC_TLS_LD_BASE to a call

2025-05-02 Thread Uros Bizjak
On Fri, May 2, 2025 at 2:33 AM H.J. Lu wrote: > > On Wed, Apr 30, 2025 at 7:40 PM Uros Bizjak wrote: > > > > On Tue, Apr 29, 2025 at 12:22 PM H.J. Lu wrote: > > > > > > On Tue, Apr 29, 2025 at 5:30 PM Uros Bizjak wrote: > > > > > > > > On Tue, Apr 29, 2025 at 9:56 AM H.J. Lu wrote: > > > > > >

Re: [PATCH] x86-64: Don't expand UNSPEC_TLS_LD_BASE to a call

2025-05-01 Thread H.J. Lu
On Wed, Apr 30, 2025 at 7:40 PM Uros Bizjak wrote: > > On Tue, Apr 29, 2025 at 12:22 PM H.J. Lu wrote: > > > > On Tue, Apr 29, 2025 at 5:30 PM Uros Bizjak wrote: > > > > > > On Tue, Apr 29, 2025 at 9:56 AM H.J. Lu wrote: > > > > > > > > Don't expand UNSPEC_TLS_LD_BASE to a call so that the RTL

Re: [PATCH] x86-64: Don't expand UNSPEC_TLS_LD_BASE to a call

2025-04-30 Thread Uros Bizjak
On Tue, Apr 29, 2025 at 12:22 PM H.J. Lu wrote: > > On Tue, Apr 29, 2025 at 5:30 PM Uros Bizjak wrote: > > > > On Tue, Apr 29, 2025 at 9:56 AM H.J. Lu wrote: > > > > > > Don't expand UNSPEC_TLS_LD_BASE to a call so that the RTL local copy > > > propagation pass can eliminate multiple __tls_get_a

Re: [PATCH] x86-64: Don't expand UNSPEC_TLS_LD_BASE to a call

2025-04-29 Thread H.J. Lu
On Tue, Apr 29, 2025 at 5:30 PM Uros Bizjak wrote: > > On Tue, Apr 29, 2025 at 9:56 AM H.J. Lu wrote: > > > > Don't expand UNSPEC_TLS_LD_BASE to a call so that the RTL local copy > > propagation pass can eliminate multiple __tls_get_addr calls. > > __tls_get_addr needs to be called with 16-byte a

Re: [PATCH] x86-64: Don't expand UNSPEC_TLS_LD_BASE to a call

2025-04-29 Thread Uros Bizjak
On Tue, Apr 29, 2025 at 9:56 AM H.J. Lu wrote: > > Don't expand UNSPEC_TLS_LD_BASE to a call so that the RTL local copy > propagation pass can eliminate multiple __tls_get_addr calls. __tls_get_addr needs to be called with 16-byte aligned stack, I don't think the compiler will correctly handle re