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-rw-r--r--gcc/ChangeLog9
-rw-r--r--gcc/config/i386/i386.c5
-rw-r--r--gcc/config/i386/i386.md2
-rw-r--r--gcc/reg-stack.c33
4 files changed, 44 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 86a06dd..155b0da 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,12 @@
+Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (floatsisf_sse): Fix output template
+ * i386.c (ix86_expand_fp_movcc)
+
+ * reg-stack.c (emit_pop_insn): Handle complex modes.
+ (move_for_stack_reg): Emit proper move mode.
+ (subst_stack_regs_pat): Handle complex modes.
+
2001-04-11 Jakub Jelinek <jakub@redhat.com>
* cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index a108a97..e6e76fe 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -6664,8 +6664,9 @@ ix86_expand_fp_movcc (operands)
/* Similary try to manage result to be first operand of conditional
move. We also don't support the NE comparison on SSE, so try to
avoid it. */
- if (rtx_equal_p (operands[0], operands[3])
- || GET_CODE (operands[1]) == NE)
+ if ((rtx_equal_p (operands[0], operands[3])
+ && (!TARGET_IEEE_FP || GET_CODE (operands[1]) != EQ))
+ || (GET_CODE (operands[1]) == NE && TARGET_IEEE_FP))
{
rtx tmp = operands[2];
operands[2] = operands[3];
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 9b8a704..d3990ca 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -5117,7 +5117,7 @@
[(set (match_operand:DF 0 "register_operand" "=Y")
(float:DF (match_operand:DI 1 "nonimmediate_operand" "mr")))]
"TARGET_SSE2"
- "cvtsi2sd\\t{%1, %0|%0, %1}"
+ "cvtsi2sd{q}\\t{%1, %0|%0, %1}"
[(set_attr "type" "sse")
(set_attr "mode" "DF")
(set_attr "fp_int_src" "true")])
diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c
index 6c204467..e31338a 100644
--- a/gcc/reg-stack.c
+++ b/gcc/reg-stack.c
@@ -906,6 +906,23 @@ emit_pop_insn (insn, regstack, reg, where)
rtx pop_insn, pop_rtx;
int hard_regno;
+ /* For complex types take care to pop both halves. These may survive in
+ CLOBBER and USE expressions. */
+ if (COMPLEX_MODE_P (GET_MODE (reg)))
+ {
+ rtx reg1 = FP_MODE_REG (REGNO (reg), DFmode);
+ rtx reg2 = FP_MODE_REG (REGNO (reg) + 1, DFmode);
+
+ pop_insn = NULL_RTX;
+ if (get_hard_regnum (regstack, reg1) >= 0)
+ pop_insn = emit_pop_insn (insn, regstack, reg1, where);
+ if (get_hard_regnum (regstack, reg2) >= 0)
+ pop_insn = emit_pop_insn (insn, regstack, reg2, where);
+ if (!pop_insn)
+ abort ();
+ return pop_insn;
+ }
+
hard_regno = get_hard_regnum (regstack, reg);
if (hard_regno < FIRST_STACK_REG)
@@ -1129,9 +1146,12 @@ move_for_stack_reg (insn, regstack, pat)
stack is not full, and then write the value to memory via
a pop. */
rtx push_rtx, push_insn;
- rtx top_stack_reg = FP_MODE_REG (FIRST_STACK_REG, XFmode);
+ rtx top_stack_reg = FP_MODE_REG (FIRST_STACK_REG, GET_MODE (src));
- push_rtx = gen_movxf (top_stack_reg, top_stack_reg);
+ if (GET_MODE (src) == TFmode)
+ push_rtx = gen_movtf (top_stack_reg, top_stack_reg);
+ else
+ push_rtx = gen_movxf (top_stack_reg, top_stack_reg);
push_insn = emit_insn_before (push_rtx, insn);
REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_DEAD, top_stack_reg,
REG_NOTES (insn));
@@ -1447,6 +1467,15 @@ subst_stack_regs_pat (insn, regstack, pat)
PATTERN (insn) = pat;
move_for_stack_reg (insn, regstack, pat);
}
+ if (! note && COMPLEX_MODE_P (GET_MODE (*dest))
+ && get_hard_regnum (regstack, FP_MODE_REG (REGNO (*dest), DFmode)) == -1)
+ {
+ pat = gen_rtx_SET (VOIDmode,
+ FP_MODE_REG (REGNO (*dest) + 1, SFmode),
+ nan);
+ PATTERN (insn) = pat;
+ move_for_stack_reg (insn, regstack, pat);
+ }
}
}
break;