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SP Cortex-M: branch long explicitly for IAR

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GCC doesn't like explicit wide branch instruction but will use
appropriate instruction implicitly.
IAR won't widen branch instruction unless explicitly told.
This commit is contained in:
Sean Parkinson
2023-11-09 08:27:42 +10:00
parent 1a3f3aa5f0
commit 168747615c
1 changed files with 40 additions and 40 deletions
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80
wolfcrypt/src/sp_cortexm.c
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@ -3707,10 +3707,10 @@ static void sp_2048_mont_reduce_32(sp_digit* a, const sp_digit* m, sp_digit mp)
"ADD r11, r11, #0x4\n\t"
"ADD %[a], %[a], #0x4\n\t"
"CMP r11, #0x80\n\t"
#if defined(__GNUC__) || defined(__ICCARM__) || defined(__IAR_SYSTEMS_ICC__)
#ifdef __GNUC__
"BLT L_sp_2048_mont_reduce_32_word_%=\n\t"
#else
"BLT.N L_sp_2048_mont_reduce_32_word_%=\n\t"
"BLT.W L_sp_2048_mont_reduce_32_word_%=\n\t"
#endif
/* Loop Done */
"STR r4, [%[a]]\n\t"
@ -4027,10 +4027,10 @@ static void sp_2048_mont_reduce_32(sp_digit* a, const sp_digit* m, sp_digit mp)
"ADD r4, r4, #0x4\n\t"
"ADD %[a], %[a], #0x4\n\t"
"CMP r4, #0x80\n\t"
#if defined(__GNUC__) || defined(__ICCARM__) || defined(__IAR_SYSTEMS_ICC__)
#ifdef __GNUC__
"BLT L_sp_2048_mont_reduce_32_word_%=\n\t"
#else
"BLT.N L_sp_2048_mont_reduce_32_word_%=\n\t"
"BLT.W L_sp_2048_mont_reduce_32_word_%=\n\t"
#endif
/* Loop Done */
"STR r6, [%[a]]\n\t"
@ -6203,10 +6203,10 @@ static void sp_2048_mont_reduce_64(sp_digit* a, const sp_digit* m, sp_digit mp)
"ADD r11, r11, #0x4\n\t"
"ADD %[a], %[a], #0x4\n\t"
"CMP r11, #0x100\n\t"
#if defined(__GNUC__) || defined(__ICCARM__) || defined(__IAR_SYSTEMS_ICC__)
#ifdef __GNUC__
"BLT L_sp_2048_mont_reduce_64_word_%=\n\t"
#else
"BLT.N L_sp_2048_mont_reduce_64_word_%=\n\t"
"BLT.W L_sp_2048_mont_reduce_64_word_%=\n\t"
#endif
/* Loop Done */
"STR r4, [%[a]]\n\t"
@ -6683,10 +6683,10 @@ static void sp_2048_mont_reduce_64(sp_digit* a, const sp_digit* m, sp_digit mp)
"ADD r4, r4, #0x4\n\t"
"ADD %[a], %[a], #0x4\n\t"
"CMP r4, #0x100\n\t"
#if defined(__GNUC__) || defined(__ICCARM__) || defined(__IAR_SYSTEMS_ICC__)
#ifdef __GNUC__
"BLT L_sp_2048_mont_reduce_64_word_%=\n\t"
#else
"BLT.N L_sp_2048_mont_reduce_64_word_%=\n\t"
"BLT.W L_sp_2048_mont_reduce_64_word_%=\n\t"
#endif
/* Loop Done */
"STR r6, [%[a]]\n\t"
@ -14774,10 +14774,10 @@ static void sp_3072_mont_reduce_48(sp_digit* a, const sp_digit* m, sp_digit mp)
"ADD r11, r11, #0x4\n\t"
"ADD %[a], %[a], #0x4\n\t"
"CMP r11, #0xc0\n\t"
#if defined(__GNUC__) || defined(__ICCARM__) || defined(__IAR_SYSTEMS_ICC__)
#ifdef __GNUC__
"BLT L_sp_3072_mont_reduce_48_word_%=\n\t"
#else
"BLT.N L_sp_3072_mont_reduce_48_word_%=\n\t"
"BLT.W L_sp_3072_mont_reduce_48_word_%=\n\t"
#endif
/* Loop Done */
"STR r4, [%[a]]\n\t"
@ -15174,10 +15174,10 @@ static void sp_3072_mont_reduce_48(sp_digit* a, const sp_digit* m, sp_digit mp)
"ADD r4, r4, #0x4\n\t"
"ADD %[a], %[a], #0x4\n\t"
"CMP r4, #0xc0\n\t"
#if defined(__GNUC__) || defined(__ICCARM__) || defined(__IAR_SYSTEMS_ICC__)
#ifdef __GNUC__
"BLT L_sp_3072_mont_reduce_48_word_%=\n\t"
#else
"BLT.N L_sp_3072_mont_reduce_48_word_%=\n\t"
"BLT.W L_sp_3072_mont_reduce_48_word_%=\n\t"
#endif
/* Loop Done */
"STR r6, [%[a]]\n\t"
@ -17974,10 +17974,10 @@ static void sp_3072_mont_reduce_96(sp_digit* a, const sp_digit* m, sp_digit mp)
"ADD r11, r11, #0x4\n\t"
"ADD %[a], %[a], #0x4\n\t"
"CMP r11, #0x180\n\t"
#if defined(__GNUC__) || defined(__ICCARM__) || defined(__IAR_SYSTEMS_ICC__)
#ifdef __GNUC__
"BLT L_sp_3072_mont_reduce_96_word_%=\n\t"
#else
"BLT.N L_sp_3072_mont_reduce_96_word_%=\n\t"
"BLT.W L_sp_3072_mont_reduce_96_word_%=\n\t"
#endif
/* Loop Done */
"STR r4, [%[a]]\n\t"
@ -18614,10 +18614,10 @@ static void sp_3072_mont_reduce_96(sp_digit* a, const sp_digit* m, sp_digit mp)
"ADD r4, r4, #0x4\n\t"
"ADD %[a], %[a], #0x4\n\t"
"CMP r4, #0x180\n\t"
#if defined(__GNUC__) || defined(__ICCARM__) || defined(__IAR_SYSTEMS_ICC__)
#ifdef __GNUC__
"BLT L_sp_3072_mont_reduce_96_word_%=\n\t"
#else
"BLT.N L_sp_3072_mont_reduce_96_word_%=\n\t"
"BLT.W L_sp_3072_mont_reduce_96_word_%=\n\t"
#endif
/* Loop Done */
"STR r6, [%[a]]\n\t"
@ -25648,10 +25648,10 @@ static void sp_4096_mont_reduce_128(sp_digit* a, const sp_digit* m, sp_digit mp)
"ADD r11, r11, #0x4\n\t"
"ADD %[a], %[a], #0x4\n\t"
"CMP r11, #0x200\n\t"
#if defined(__GNUC__) || defined(__ICCARM__) || defined(__IAR_SYSTEMS_ICC__)
#ifdef __GNUC__
"BLT L_sp_4096_mont_reduce_128_word_%=\n\t"
#else
"BLT.N L_sp_4096_mont_reduce_128_word_%=\n\t"
"BLT.W L_sp_4096_mont_reduce_128_word_%=\n\t"
#endif
/* Loop Done */
"STR r4, [%[a]]\n\t"
@ -26448,10 +26448,10 @@ static void sp_4096_mont_reduce_128(sp_digit* a, const sp_digit* m, sp_digit mp)
"ADD r4, r4, #0x4\n\t"
"ADD %[a], %[a], #0x4\n\t"
"CMP r4, #0x200\n\t"
#if defined(__GNUC__) || defined(__ICCARM__) || defined(__IAR_SYSTEMS_ICC__)
#ifdef __GNUC__
"BLT L_sp_4096_mont_reduce_128_word_%=\n\t"
#else
"BLT.N L_sp_4096_mont_reduce_128_word_%=\n\t"
"BLT.W L_sp_4096_mont_reduce_128_word_%=\n\t"
#endif
/* Loop Done */
"STR r6, [%[a]]\n\t"
@ -34262,10 +34262,10 @@ static void sp_256_mont_reduce_8(sp_digit* a, const sp_digit* m, sp_digit mp)
"ADD r11, r11, #0x4\n\t"
"ADD %[a], %[a], #0x4\n\t"
"CMP r11, #0x20\n\t"
#if defined(__GNUC__) || defined(__ICCARM__) || defined(__IAR_SYSTEMS_ICC__)
#ifdef __GNUC__
"BLT L_sp_256_mont_reduce_8_word_%=\n\t"
#else
"BLT.N L_sp_256_mont_reduce_8_word_%=\n\t"
"BLT.W L_sp_256_mont_reduce_8_word_%=\n\t"
#endif
/* Loop Done */
"STR r4, [%[a]]\n\t"
@ -34354,10 +34354,10 @@ static void sp_256_mont_reduce_8(sp_digit* a, const sp_digit* m, sp_digit mp)
"ADD r4, r4, #0x4\n\t"
"ADD %[a], %[a], #0x4\n\t"
"CMP r4, #0x20\n\t"
#if defined(__GNUC__) || defined(__ICCARM__) || defined(__IAR_SYSTEMS_ICC__)
#ifdef __GNUC__
"BLT L_sp_256_mont_reduce_8_word_%=\n\t"
#else
"BLT.N L_sp_256_mont_reduce_8_word_%=\n\t"
"BLT.W L_sp_256_mont_reduce_8_word_%=\n\t"
#endif
/* Loop Done */
"STR r6, [%[a]]\n\t"
@ -34636,10 +34636,10 @@ static void sp_256_mont_reduce_order_8(sp_digit* a, const sp_digit* m, sp_digit
"ADD r11, r11, #0x4\n\t"
"ADD %[a], %[a], #0x4\n\t"
"CMP r11, #0x20\n\t"
#if defined(__GNUC__) || defined(__ICCARM__) || defined(__IAR_SYSTEMS_ICC__)
#ifdef __GNUC__
"BLT L_sp_256_mont_reduce_order_8_word_%=\n\t"
#else
"BLT.N L_sp_256_mont_reduce_order_8_word_%=\n\t"
"BLT.W L_sp_256_mont_reduce_order_8_word_%=\n\t"
#endif
/* Loop Done */
"STR r4, [%[a]]\n\t"
@ -34728,10 +34728,10 @@ static void sp_256_mont_reduce_order_8(sp_digit* a, const sp_digit* m, sp_digit
"ADD r4, r4, #0x4\n\t"
"ADD %[a], %[a], #0x4\n\t"
"CMP r4, #0x20\n\t"
#if defined(__GNUC__) || defined(__ICCARM__) || defined(__IAR_SYSTEMS_ICC__)
#ifdef __GNUC__
"BLT L_sp_256_mont_reduce_order_8_word_%=\n\t"
#else
"BLT.N L_sp_256_mont_reduce_order_8_word_%=\n\t"
"BLT.W L_sp_256_mont_reduce_order_8_word_%=\n\t"
#endif
/* Loop Done */
"STR r6, [%[a]]\n\t"
@ -44011,10 +44011,10 @@ static void sp_384_mont_reduce_12(sp_digit* a, const sp_digit* m, sp_digit mp)
"ADD r11, r11, #0x4\n\t"
"ADD %[a], %[a], #0x4\n\t"
"CMP r11, #0x30\n\t"
#if defined(__GNUC__) || defined(__ICCARM__) || defined(__IAR_SYSTEMS_ICC__)
#ifdef __GNUC__
"BLT L_sp_384_mont_reduce_12_word_%=\n\t"
#else
"BLT.N L_sp_384_mont_reduce_12_word_%=\n\t"
"BLT.W L_sp_384_mont_reduce_12_word_%=\n\t"
#endif
/* Loop Done */
"STR r4, [%[a]]\n\t"
@ -44123,10 +44123,10 @@ static void sp_384_mont_reduce_12(sp_digit* a, const sp_digit* m, sp_digit mp)
"ADD r4, r4, #0x4\n\t"
"ADD %[a], %[a], #0x4\n\t"
"CMP r4, #0x30\n\t"
#if defined(__GNUC__) || defined(__ICCARM__) || defined(__IAR_SYSTEMS_ICC__)
#ifdef __GNUC__
"BLT L_sp_384_mont_reduce_12_word_%=\n\t"
#else
"BLT.N L_sp_384_mont_reduce_12_word_%=\n\t"
"BLT.W L_sp_384_mont_reduce_12_word_%=\n\t"
#endif
/* Loop Done */
"STR r6, [%[a]]\n\t"
@ -55604,10 +55604,10 @@ static void sp_521_mont_reduce_order_17(sp_digit* a, const sp_digit* m, sp_digit
"ADD r11, r11, #0x4\n\t"
"ADD %[a], %[a], #0x4\n\t"
"CMP r11, #0x44\n\t"
#if defined(__GNUC__) || defined(__ICCARM__) || defined(__IAR_SYSTEMS_ICC__)
#ifdef __GNUC__
"BLT L_sp_521_mont_reduce_order_17_word_%=\n\t"
#else
"BLT.N L_sp_521_mont_reduce_order_17_word_%=\n\t"
"BLT.W L_sp_521_mont_reduce_order_17_word_%=\n\t"
#endif
/* Loop Done */
"STR r4, [%[a]]\n\t"
@ -55822,10 +55822,10 @@ static void sp_521_mont_reduce_order_17(sp_digit* a, const sp_digit* m, sp_digit
"ADD r4, r4, #0x4\n\t"
"ADD %[a], %[a], #0x4\n\t"
"CMP r4, #0x44\n\t"
#if defined(__GNUC__) || defined(__ICCARM__) || defined(__IAR_SYSTEMS_ICC__)
#ifdef __GNUC__
"BLT L_sp_521_mont_reduce_order_17_word_%=\n\t"
#else
"BLT.N L_sp_521_mont_reduce_order_17_word_%=\n\t"
"BLT.W L_sp_521_mont_reduce_order_17_word_%=\n\t"
#endif
/* Loop Done */
"STR r6, [%[a]]\n\t"
@ -69752,10 +69752,10 @@ static void sp_1024_mont_reduce_32(sp_digit* a, const sp_digit* m, sp_digit mp)
"ADD r11, r11, #0x4\n\t"
"ADD %[a], %[a], #0x4\n\t"
"CMP r11, #0x80\n\t"
#if defined(__GNUC__) || defined(__ICCARM__) || defined(__IAR_SYSTEMS_ICC__)
#ifdef __GNUC__
"BLT L_sp_1024_mont_reduce_32_word_%=\n\t"
#else
"BLT.N L_sp_1024_mont_reduce_32_word_%=\n\t"
"BLT.W L_sp_1024_mont_reduce_32_word_%=\n\t"
#endif
/* Loop Done */
"STR r4, [%[a]]\n\t"
@ -69969,10 +69969,10 @@ static void sp_1024_mont_reduce_32(sp_digit* a, const sp_digit* m, sp_digit mp)
"ADD r4, r4, #0x4\n\t"
"ADD %[a], %[a], #0x4\n\t"
"CMP r4, #0x80\n\t"
#if defined(__GNUC__) || defined(__ICCARM__) || defined(__IAR_SYSTEMS_ICC__)
#ifdef __GNUC__
"BLT L_sp_1024_mont_reduce_32_word_%=\n\t"
#else
"BLT.N L_sp_1024_mont_reduce_32_word_%=\n\t"
"BLT.W L_sp_1024_mont_reduce_32_word_%=\n\t"
#endif
/* Loop Done */
"STR r6, [%[a]]\n\t"