From b9f92c0bb7fc0c319b0a2d54b6a74e8f49c469bd Mon Sep 17 00:00:00 2001 From: Eric Botcazou Date: Wed, 13 Dec 2017 23:16:56 +0000 Subject: re PR middle-end/78468 (libgomp.c/reduction-10.c and many more FAIL) PR middle-end/78468 * emit-rtl.c (init_emit): Remove ??? comment. * explow.c (get_dynamic_stack_size): Take known alignment of stack pointer + STACK_DYNAMIC_OFFSET into account in lieu of STACK_BOUNDARY. * config/sparc/sparc.h (INIT_EXPANDERS): In 32-bit mode, lower the alignment of 3 virtual registers to BITS_PER_WORD. * config/sparc/sparc.c (sparc_compute_frame_size): Simplify. Co-Authored-By: Dominik Vogt From-SVN: r255616 --- gcc/config/sparc/sparc.h | 24 ++++++++++++++++++++---- 1 file changed, 20 insertions(+), 4 deletions(-) (limited to 'gcc/config/sparc/sparc.h') diff --git a/gcc/config/sparc/sparc.h b/gcc/config/sparc/sparc.h index a0b5612..3d8e198 100644 --- a/gcc/config/sparc/sparc.h +++ b/gcc/config/sparc/sparc.h @@ -771,13 +771,29 @@ extern enum cmodel sparc_cmodel; /* The soft frame pointer does not have the stack bias applied. */ #define FRAME_POINTER_REGNUM 101 -/* Given the stack bias, the stack pointer isn't actually aligned. */ #define INIT_EXPANDERS \ do { \ - if (crtl->emit.regno_pointer_align && SPARC_STACK_BIAS) \ + if (crtl->emit.regno_pointer_align) \ { \ - REGNO_POINTER_ALIGN (STACK_POINTER_REGNUM) = BITS_PER_UNIT; \ - REGNO_POINTER_ALIGN (HARD_FRAME_POINTER_REGNUM) = BITS_PER_UNIT; \ + /* The biased stack pointer is only aligned on BITS_PER_UNIT. */\ + if (SPARC_STACK_BIAS) \ + { \ + REGNO_POINTER_ALIGN (STACK_POINTER_REGNUM) \ + = BITS_PER_UNIT; \ + REGNO_POINTER_ALIGN (HARD_FRAME_POINTER_REGNUM) \ + = BITS_PER_UNIT; \ + } \ + \ + /* In 32-bit mode, not everything is double-word aligned. */ \ + if (TARGET_ARCH32) \ + { \ + REGNO_POINTER_ALIGN (VIRTUAL_INCOMING_ARGS_REGNUM) \ + = BITS_PER_WORD; \ + REGNO_POINTER_ALIGN (VIRTUAL_STACK_DYNAMIC_REGNUM) \ + = BITS_PER_WORD; \ + REGNO_POINTER_ALIGN (VIRTUAL_OUTGOING_ARGS_REGNUM) \ + = BITS_PER_WORD; \ + } \ } \ } while (0) -- cgit v1.1