diff options
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/ira.c | 33 |
2 files changed, 28 insertions, 13 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c3dc5b3..f5ef703 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2019-11-07 Kwok Cheung Yeung <kcy@codesourcery.com> + + * ira.c (setup_alloc_regs): Setup no_unit_alloc_regs for + frame pointer in multiple registers. + (ira_setup_eliminable_regset): Setup eliminable_regset, + ira_no_alloc_regs and regs_ever_live for frame pointer in + multiple registers. + 2019-11-06 Kelvin Nilsen <kelvin@gcc.gnu.org> * config/rs6000/vsx.md (xxswapd_<mode>): Add support for V2DF and @@ -515,7 +515,8 @@ setup_alloc_regs (bool use_hard_frame_p) #endif no_unit_alloc_regs = fixed_nonglobal_reg_set; if (! use_hard_frame_p) - SET_HARD_REG_BIT (no_unit_alloc_regs, HARD_FRAME_POINTER_REGNUM); + add_to_hard_reg_set (&no_unit_alloc_regs, Pmode, + HARD_FRAME_POINTER_REGNUM); setup_class_hard_regs (); } @@ -2248,6 +2249,7 @@ ira_setup_eliminable_regset (void) { int i; static const struct {const int from, to; } eliminables[] = ELIMINABLE_REGS; + int fp_reg_count = hard_regno_nregs (HARD_FRAME_POINTER_REGNUM, Pmode); /* Setup is_leaf as frame_pointer_required may use it. This function is called by sched_init before ira if scheduling is enabled. */ @@ -2276,7 +2278,8 @@ ira_setup_eliminable_regset (void) frame pointer in LRA. */ if (frame_pointer_needed) - df_set_regs_ever_live (HARD_FRAME_POINTER_REGNUM, true); + for (i = 0; i < fp_reg_count; i++) + df_set_regs_ever_live (HARD_FRAME_POINTER_REGNUM + i, true); ira_no_alloc_regs = no_unit_alloc_regs; CLEAR_HARD_REG_SET (eliminable_regset); @@ -2306,17 +2309,21 @@ ira_setup_eliminable_regset (void) } if (!HARD_FRAME_POINTER_IS_FRAME_POINTER) { - if (!TEST_HARD_REG_BIT (crtl->asm_clobbers, HARD_FRAME_POINTER_REGNUM)) - { - SET_HARD_REG_BIT (eliminable_regset, HARD_FRAME_POINTER_REGNUM); - if (frame_pointer_needed) - SET_HARD_REG_BIT (ira_no_alloc_regs, HARD_FRAME_POINTER_REGNUM); - } - else if (frame_pointer_needed) - error ("%s cannot be used in %<asm%> here", - reg_names[HARD_FRAME_POINTER_REGNUM]); - else - df_set_regs_ever_live (HARD_FRAME_POINTER_REGNUM, true); + for (i = 0; i < fp_reg_count; i++) + if (!TEST_HARD_REG_BIT (crtl->asm_clobbers, + HARD_FRAME_POINTER_REGNUM + i)) + { + SET_HARD_REG_BIT (eliminable_regset, + HARD_FRAME_POINTER_REGNUM + i); + if (frame_pointer_needed) + SET_HARD_REG_BIT (ira_no_alloc_regs, + HARD_FRAME_POINTER_REGNUM + i); + } + else if (frame_pointer_needed) + error ("%s cannot be used in %<asm%> here", + reg_names[HARD_FRAME_POINTER_REGNUM + i]); + else + df_set_regs_ever_live (HARD_FRAME_POINTER_REGNUM + i, true); } } |