From: Jeff Law <jlaw@ventanamicro.com>
Date: Wed, 29 Oct 2025 23:32:03 +0000 (-0600)
Subject: Revert "[PR target/116662][RISC-V] Adjust destructive interference size for RISC-V"
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3e8013e785b454dd65abb38a50f2c3fd80776435;p=thirdparty%2Fgcc.git

Revert "[PR target/116662][RISC-V] Adjust destructive interference size for RISC-V"

This reverts commit 36a3b24ff87c13885430251cb60b26de86ba741c.
---

diff --git a/gcc/config/riscv/riscv.cc b/gcc/config/riscv/riscv.cc
index 8880b199d41..63404d3d514 100644
--- a/gcc/config/riscv/riscv.cc
+++ b/gcc/config/riscv/riscv.cc
@@ -12040,14 +12040,6 @@ riscv_option_override (void)
 		       param_cycle_accurate_model,
 		       0);
 
-  /* Cache lines of 64 bytes are common these days, so let's get a sensible
-     value for the interference size.  Technically this can leak and cause
-     sizes of structures to change, but consensus is anything using the
-     value to size fields within a structure is broken.  Any 2^n byte value
-     is functionally correct, but may not be performant.  */
-  SET_OPTION_IF_UNSET (&global_options, &global_options_set,
-		       param_destruct_interfere_size, 0);
-
   /* Function to allocate machine-dependent function status.  */
   init_machine_status = &riscv_init_machine_status;