diff options
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/sh/sh.md | 10 |
2 files changed, 5 insertions, 9 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4f16993..73fd4f9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.md (mulsi3): Don't add a no-op move at the end. + Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk> * cse.c (cse_insn): Don't put hard register source into tables for diff --git a/gcc/config/sh/sh.md b/gcc/config/sh/sh.md index 2acbb0f..38732e6 100644 --- a/gcc/config/sh/sh.md +++ b/gcc/config/sh/sh.md @@ -1112,20 +1112,12 @@ else { rtx macl = gen_rtx_REG (SImode, MACL_REG); - rtx giv_insn; first = emit_insn (gen_mul_l (operands[1], operands[2])); /* consec_sets_giv can only recognize the first insn that sets a giv as the giv insn. So we must tag this also with a REG_EQUAL note. */ - giv_insn = emit_insn (gen_movsi_i ((operands[0]), macl)); - REG_NOTES (giv_insn) - = gen_rtx_EXPR_LIST (REG_EQUAL, - gen_rtx_MULT (SImode, operands[1], operands[2]), - REG_NOTES (giv_insn)); - /* The sequence must end in a no-op move, lest cse puts macl in its - tables and does invalid substitutions. */ - last = emit_insn (gen_movsi_i ((operands[0]), operands[0])); + last = emit_insn (gen_movsi_i ((operands[0]), macl)); } /* Wrap the sequence in REG_LIBCALL / REG_RETVAL notes so that loop invariant code motion can move it. */ |