re PR target/43766 (x86 prefetch doesn't use complex memory addressing)
PR target/43766 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends. testsuite/ChangeLog: PR target/43766 * gcc.target/i386/pr43766.c: New test. From-SVN: r158515
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@ -1,8 +1,12 @@
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2010-04-19 Uros Bizjak <ubizjak@gmail.com>
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PR target/43766
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* config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
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2010-04-19 Jie Zhang <jie@codesourcery.com>
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PR target/43662
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* reginfo.c (reinit_regs): Set caller_save_initialized_p
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to false.
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* reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
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2010-04-19 Ira Rosen <irar@il.ibm.com>
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@ -82,10 +86,10 @@
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(sse_prologue_save_insn1): New pattern and splitter.
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(sse_prologue_save_insn): Update to deal also with 64bit aligned
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blocks.
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* i386.c (setup_incoming_varargs_64): Do not compute jump destination here.
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* i386.c (setup_incoming_varargs_64): Do not compute jump
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destination here.
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(ix86_gimplify_va_arg): Update alignment needed.
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(ix86_local_alignment): Do not align all local arrays
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to 128bit.
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(ix86_local_alignment): Do not align all local arrays to 128bit.
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2010-04-17 Jan Hubicka <jh@suse.cz>
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@ -9357,6 +9357,7 @@ ix86_decompose_address (rtx addr, struct ix86_address *out)
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rtx base_reg, index_reg;
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HOST_WIDE_INT scale = 1;
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rtx scale_rtx = NULL_RTX;
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rtx tmp;
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int retval = 1;
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enum ix86_address_seg seg = SEG_DEFAULT;
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@ -9392,6 +9393,19 @@ ix86_decompose_address (rtx addr, struct ix86_address *out)
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scale_rtx = XEXP (op, 1);
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break;
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case ASHIFT:
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if (index)
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return 0;
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index = XEXP (op, 0);
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tmp = XEXP (op, 1);
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if (!CONST_INT_P (tmp))
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return 0;
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scale = INTVAL (tmp);
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if ((unsigned HOST_WIDE_INT) scale > 3)
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return 0;
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scale = 1 << scale;
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break;
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case UNSPEC:
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if (XINT (op, 1) == UNSPEC_TP
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&& TARGET_TLS_DIRECT_SEG_REFS
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@ -9432,8 +9446,6 @@ ix86_decompose_address (rtx addr, struct ix86_address *out)
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}
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else if (GET_CODE (addr) == ASHIFT)
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{
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rtx tmp;
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/* We're called for lea too, which implements ashift on occasion. */
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index = XEXP (addr, 0);
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tmp = XEXP (addr, 1);
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@ -1,3 +1,8 @@
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2010-04-19 Uros Bizjak <ubizjak@gmail.com>
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PR target/43766
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* gcc.target/i386/pr43766.c: New test.
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2010-04-19 Jie Zhang <jie@codesourcery.com>
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PR target/43662
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@ -0,0 +1,10 @@
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/* { dg-do compile } */
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/* { dg-options "-O2" } */
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/* { dg-options "-O2 -msse -mregparm=3" { target ilp32 } } */
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void p (int *a, int i)
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{
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__builtin_prefetch (&a[i]);
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}
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/* { dg-final { scan-assembler-not "lea" } } */
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