Re: [RFC PATCH] ira: accept loads via argp rtx in validate_equiv_mem

2015-05-04 Thread Jeff Law
On 05/04/2015 10:37 AM, Alexander Monakov wrote: With this patch at hand, I'd like to discuss a code generation problem, which my patch solves only partially. FWIW, it passes bootstrap/regtest on x86-64. With other patches in series applied, GCC with -fno-plt can generate tail calls in PIC mode

[RFC PATCH] ira: accept loads via argp rtx in validate_equiv_mem

2015-05-04 Thread Alexander Monakov
With this patch at hand, I'd like to discuss a code generation problem, which my patch solves only partially. FWIW, it passes bootstrap/regtest on x86-64. With other patches in series applied, GCC with -fno-plt can generate tail calls in PIC mode more frequently, but sometimes poorer code is gene