99 lines
2.4 KiB
Diff
99 lines
2.4 KiB
Diff
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# HG changeset patch
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# User Marco Bodrato <bodrato@mail.dm.unipi.it>
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# Date 1338104524 -7200
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# Node ID ffdad0cda019a912c0cbb4e159595c34a176139f
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# Parent 5e296f996b87f5bd747fc7075313911b42494d1e
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mpn/x86_64/fat/fat.c: abort iff longmode-capable-bit is turned off.
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diff -r 5e296f996b87 -r ffdad0cda019 mpn/x86_64/fat/fat.c
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--- a/mpn/x86_64/fat/fat.c Thu May 24 14:26:27 2012 +0200
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+++ b/mpn/x86_64/fat/fat.c Sun May 27 09:42:04 2012 +0200
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@@ -1,4 +1,4 @@
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-/* x86 fat binary initializers.
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+/* x86_64 fat binary initializers.
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Contributed to the GNU project by Kevin Ryde (original x86_32 code) and
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Torbjorn Granlund (port to x86_64)
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@@ -7,7 +7,7 @@
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THEY'RE ALMOST CERTAIN TO BE SUBJECT TO INCOMPATIBLE CHANGES OR DISAPPEAR
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COMPLETELY IN FUTURE GNU MP RELEASES.
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-Copyright 2003, 2004, 2009, 2011 Free Software Foundation, Inc.
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+Copyright 2003, 2004, 2009, 2011, 2012 Free Software Foundation, Inc.
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This file is part of the GNU MP Library.
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@@ -187,6 +187,11 @@
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family = ((fms >> 8) & 0xf) + ((fms >> 20) & 0xff);
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model = ((fms >> 4) & 0xf) + ((fms >> 12) & 0xf0);
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+ /* Check extended feature flags */
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+ __gmpn_cpuid (dummy_string, 0x80000001);
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+ if ((dummy_string[4 + 29 / 8] & (1 << (29 - 3 * 8))) == 0)
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+ abort (); /* longmode-capable-bit turned off! */
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+
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/*********************************************************/
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/*** WARNING: keep this list in sync with config.guess ***/
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/*********************************************************/
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@@ -194,30 +199,9 @@
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{
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switch (family)
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{
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- case 4:
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- case 5:
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- abort (); /* 32-bit processors */
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-
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case 6:
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switch (model)
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{
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- case 0x00:
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- case 0x01:
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- case 0x02:
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- case 0x03:
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- case 0x04:
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- case 0x05:
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- case 0x06:
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- case 0x07:
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- case 0x08:
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- case 0x09: /* Banias */
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- case 0x0a:
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- case 0x0b:
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- case 0x0c:
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- case 0x0d: /* Dothan */
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- case 0x0e: /* Yonah */
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- abort (); /* 32-bit processors */
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-
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case 0x0f: /* Conroe Merom Kentsfield Allendale */
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case 0x10:
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case 0x11:
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@@ -276,10 +260,6 @@
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{
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switch (family)
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{
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- case 5:
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- case 6:
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- abort ();
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-
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case 15: /* k8 */
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case 16: /* k10 */
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/* CPUVEC_SETUP_athlon */
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@@ -290,14 +270,9 @@
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{
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switch (family)
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{
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- case 5:
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- abort (); /* 32-bit processors */
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-
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case 6:
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- if (model < 15)
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- abort (); /* 32-bit processors */
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-
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- CPUVEC_SETUP_nano;
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+ if (model >= 15)
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+ CPUVEC_SETUP_nano;
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break;
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}
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}
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