From 8b4f9969f1d80d723e05ba143823435024c12949 Mon Sep 17 00:00:00 2001 From: Jim Wilson Date: Wed, 24 Jan 1996 12:11:09 -0800 Subject: [PATCH] (used_spill_regs): New variable. (reload): Set it. From-SVN: r11092 --- gcc/reload1.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/gcc/reload1.c b/gcc/reload1.c index 3f5403c320c..205810364c5 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -170,6 +170,13 @@ static HARD_REG_SET bad_spill_regs; elements that are actually valid; new ones are added at the end. */ static short spill_regs[FIRST_PSEUDO_REGISTER]; +/* This reg set indicates those registers that have been used a spill + registers. This information is used in reorg.c, to help figure out + what registers are live at any point. It is assumed that all spill_regs + are dead at every CODE_LABEL. */ + +HARD_REG_SET used_spill_regs; + /* Index of last register assigned as a spill register. We allocate in a round-robin fashion. */ @@ -2026,6 +2033,10 @@ reload (first, global, dumpfile) free (scratch_block); scratch_block = 0; + CLEAR_HARD_REG_SET (used_spill_regs); + for (i = 0; i < n_spills; i++) + SET_HARD_REG_BIT (used_spill_regs, spill_regs[i]); + return failure; } -- 2.30.2